diff --git a/core/modules/system/css/system.admin.css b/core/modules/system/css/system.admin.css
index 0165720fede0..2577c724b164 100644
--- a/core/modules/system/css/system.admin.css
+++ b/core/modules/system/css/system.admin.css
@@ -195,6 +195,15 @@ small .admin-link:after {
 [dir="rtl"] .module-link-configure {
   background-position: top 50% right 0;
 }
+.module-link--non-stable {
+  padding-left: 18px;
+  background: url(../../../misc/icons/e29700/warning.svg) 0 50% no-repeat; /* LTR */
+}
+[dir="rtl"] .module-link--non-stable {
+  padding-right: 18px;
+  padding-left: 0;
+  background-position: top 50% right 0;
+}
 
 /* Status report. */
 .system-status-report__status-title {
diff --git a/core/modules/system/src/Form/ModulesListExperimentalConfirmForm.php b/core/modules/system/src/Form/ModulesListExperimentalConfirmForm.php
deleted file mode 100644
index 2f410f278557..000000000000
--- a/core/modules/system/src/Form/ModulesListExperimentalConfirmForm.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-namespace Drupal\system\Form;
-
-/**
- * Builds a confirmation form for enabling experimental modules.
- *
- * @internal
- */
-class ModulesListExperimentalConfirmForm extends ModulesListConfirmForm {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getQuestion() {
-    return $this->t('Are you sure you wish to enable experimental modules?');
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getFormId() {
-    return 'system_modules_experimental_confirm_form';
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function buildMessageList() {
-    $this->messenger()->addWarning($this->t('<a href=":url">Experimental modules</a> are provided for testing purposes only. Use at your own risk.', [':url' => 'https://www.drupal.org/core/experimental']));
-
-    $items = parent::buildMessageList();
-    // Add the list of experimental modules after any other messages.
-    $items[] = $this->t('The following modules are experimental: @modules', ['@modules' => implode(', ', array_values($this->modules['experimental']))]);
-
-    return $items;
-  }
-
-}
diff --git a/core/modules/system/src/Form/ModulesListForm.php b/core/modules/system/src/Form/ModulesListForm.php
index 57122be5e7b6..7ad68ac551d1 100644
--- a/core/modules/system/src/Form/ModulesListForm.php
+++ b/core/modules/system/src/Form/ModulesListForm.php
@@ -15,6 +15,7 @@ use Drupal\Core\Extension\ModuleInstallerInterface;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface;
+use Drupal\Core\Link;
 use Drupal\Core\Render\Element;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\user\PermissionHandlerInterface;
@@ -249,7 +250,22 @@ class ModulesListForm extends FormBase {
     $row['#requires'] = [];
     $row['#required_by'] = [];
 
+    $lifecycle = $module->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER];
     $row['name']['#markup'] = $module->info['name'];
+    if ($lifecycle !== ExtensionLifecycle::STABLE && !empty($module->info[ExtensionLifecycle::LIFECYCLE_LINK_IDENTIFIER])) {
+      $row['name']['#markup'] .= ' ' . Link::fromTextAndUrl('(' . $this->t('@lifecycle', ['@lifecycle' => ucfirst($lifecycle)]) . ')',
+          Url::fromUri($module->info[ExtensionLifecycle::LIFECYCLE_LINK_IDENTIFIER], [
+            'attributes' =>
+              [
+                'class' => 'module-link--non-stable',
+                'aria-label' => $this->t('View information on the @lifecycle status of the module @module', [
+                  '@lifecycle' => ucfirst($lifecycle),
+                  '@module' => $module->info['name'],
+                ]),
+              ],
+          ])
+        )->toString();
+    }
     $row['description']['#markup'] = $this->t($module->info['description']);
     $row['version']['#markup'] = $module->info['version'];
 
@@ -390,7 +406,7 @@ class ModulesListForm extends FormBase {
     $modules = [
       'install' => [],
       'dependencies' => [],
-      'experimental' => [],
+      'non_stable' => [],
     ];
 
     $data = $this->moduleExtensionList->getList();
@@ -405,10 +421,12 @@ class ModulesListForm extends FormBase {
       }
       // Selected modules should be installed.
       elseif (($checkbox = $form_state->getValue(['modules', $name], FALSE)) && $checkbox['enable']) {
-        $modules['install'][$name] = $data[$name]->info['name'];
-        // Identify experimental modules.
-        if ($data[$name]->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER] === ExtensionLifecycle::EXPERIMENTAL) {
-          $modules['experimental'][$name] = $data[$name]->info['name'];
+        $info = $data[$name]->info;
+        $modules['install'][$name] = $info['name'];
+        // Identify non-stable modules.
+        $lifecycle = $info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER];
+        if ($lifecycle !== ExtensionLifecycle::STABLE) {
+          $modules['non_stable'][$name] = $info['name'];
         }
       }
     }
@@ -417,12 +435,14 @@ class ModulesListForm extends FormBase {
     foreach ($modules['install'] as $module => $value) {
       foreach (array_keys($data[$module]->requires) as $dependency) {
         if (!isset($modules['install'][$dependency]) && !$this->moduleHandler->moduleExists($dependency)) {
-          $modules['dependencies'][$module][$dependency] = $data[$dependency]->info['name'];
-          $modules['install'][$dependency] = $data[$dependency]->info['name'];
+          $dependency_info = $data[$dependency]->info;
+          $modules['dependencies'][$module][$dependency] = $dependency_info['name'];
+          $modules['install'][$dependency] = $dependency_info['name'];
 
-          // Identify experimental modules.
-          if ($data[$dependency]->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER] === ExtensionLifecycle::EXPERIMENTAL) {
-            $modules['experimental'][$dependency] = $data[$dependency]->info['name'];
+          // Identify non-stable modules.
+          $lifecycle = $dependency_info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER];
+          if ($lifecycle !== ExtensionLifecycle::STABLE) {
+            $modules['non_stable'][$dependency] = $dependency_info['name'];
           }
         }
       }
@@ -436,7 +456,7 @@ class ModulesListForm extends FormBase {
     foreach (array_keys($modules['install']) as $module) {
       if (!drupal_check_module($module)) {
         unset($modules['install'][$module]);
-        unset($modules['experimental'][$module]);
+        unset($modules['non_stable'][$module]);
         foreach (array_keys($data[$module]->required_by) as $dependent) {
           unset($modules['install'][$dependent]);
           unset($modules['dependencies'][$dependent]);
@@ -455,9 +475,9 @@ class ModulesListForm extends FormBase {
     $modules = $this->buildModuleList($form_state);
 
     // Redirect to a confirmation form if needed.
-    if (!empty($modules['experimental']) || !empty($modules['dependencies'])) {
+    if (!empty($modules['non_stable']) || !empty($modules['dependencies'])) {
 
-      $route_name = !empty($modules['experimental']) ? 'system.modules_list_experimental_confirm' : 'system.modules_list_confirm';
+      $route_name = !empty($modules['non_stable']) ? 'system.modules_list_non_stable_confirm' : 'system.modules_list_confirm';
       // Write the list of changed module states into a key value store.
       $account = $this->currentUser()->id();
       $this->keyValueExpirable->setWithExpire($account, $modules, 60);
diff --git a/core/modules/system/src/Form/ModulesListNonStableConfirmForm.php b/core/modules/system/src/Form/ModulesListNonStableConfirmForm.php
new file mode 100644
index 000000000000..e24ec162a640
--- /dev/null
+++ b/core/modules/system/src/Form/ModulesListNonStableConfirmForm.php
@@ -0,0 +1,200 @@
+<?php
+
+namespace Drupal\system\Form;
+
+use Drupal\Core\Extension\ExtensionLifecycle;
+use Drupal\Core\Extension\ModuleExtensionList;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Extension\ModuleInstallerInterface;
+use Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface;
+use Drupal\Core\Link;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Builds a confirmation form for enabling non-stable modules.
+ *
+ * @internal
+ */
+class ModulesListNonStableConfirmForm extends ModulesListConfirmForm {
+
+  /**
+   * Module extension list.
+   *
+   * @var \Drupal\Core\Extension\ModuleExtensionList
+   */
+  protected ModuleExtensionList $moduleExtensionList;
+
+  /**
+   * An array of module names to be enabled, keyed by lifecycle.
+   *
+   * @var array
+   */
+  protected array $groupedModuleInfo;
+
+  /**
+   * Boolean indicating a core deprecated module is being enabled.
+   *
+   * @var bool
+   */
+  protected bool $coreDeprecatedModules;
+
+  /**
+   * Boolean indicating a contrib deprecated module is being enabled.
+   *
+   * @var bool
+   */
+  protected bool $contribDeprecatedModules;
+
+  /**
+   * Constructs a new ModulesListNonStableConfirmForm.
+   *
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   * @param \Drupal\Core\Extension\ModuleInstallerInterface $module_installer
+   *   The module installer.
+   * @param \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface $key_value_expirable
+   *   The key value expirable factory.
+   * @param \Drupal\Core\Extension\ModuleExtensionList $moduleExtensionList
+   *   The module extension list.
+   */
+  public function __construct(ModuleHandlerInterface $module_handler, ModuleInstallerInterface $module_installer, KeyValueStoreExpirableInterface $key_value_expirable, ModuleExtensionList $moduleExtensionList) {
+    parent::__construct($module_handler, $module_installer, $key_value_expirable);
+    $this->moduleExtensionList = $moduleExtensionList;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('module_handler'),
+      $container->get('module_installer'),
+      $container->get('keyvalue.expirable')->get('module_list'),
+      $container->get('extension.list.module')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    $hasExperimentalModulesToEnable = !empty($this->groupedModuleInfo[ExtensionLifecycle::EXPERIMENTAL]);
+    $hasDeprecatedModulesToEnable = !empty($this->groupedModuleInfo[ExtensionLifecycle::DEPRECATED]);
+
+    if ($hasExperimentalModulesToEnable && $hasDeprecatedModulesToEnable) {
+      return $this->t('Are you sure you wish to enable experimental and deprecated modules?');
+    }
+
+    if ($hasExperimentalModulesToEnable) {
+      return $this->formatPlural(
+        count($this->groupedModuleInfo[ExtensionLifecycle::EXPERIMENTAL]),
+        'Are you sure you wish to enable an experimental module?',
+        'Are you sure you wish to enable experimental modules?'
+      );
+    }
+
+    if ($hasDeprecatedModulesToEnable) {
+      return $this->formatPlural(
+        count($this->groupedModuleInfo[ExtensionLifecycle::DEPRECATED]),
+        'Are you sure you wish to enable a deprecated module?',
+        'Are you sure you wish to enable deprecated modules?'
+      );
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'system_modules_non_stable_confirm_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildMessageList() {
+    $this->buildNonStableInfo();
+
+    $items = parent::buildMessageList();
+    if (!empty($this->groupedModuleInfo[ExtensionLifecycle::EXPERIMENTAL])) {
+      $this->messenger()->addWarning($this->t('<a href=":url">Experimental modules</a> are provided for testing purposes only. Use at your own risk.', [':url' => 'https://www.drupal.org/core/experimental']));
+      // Add the list of experimental modules after any other messages.
+      $items[] = $this->formatPlural(
+        count($this->groupedModuleInfo[ExtensionLifecycle::EXPERIMENTAL]),
+        'The following module is experimental: @modules.',
+        'The following modules are experimental: @modules.',
+        ['@modules' => implode(', ', $this->groupedModuleInfo[ExtensionLifecycle::EXPERIMENTAL])]
+      );
+    }
+    if (!empty($this->groupedModuleInfo[ExtensionLifecycle::DEPRECATED])) {
+      $this->messenger()->addWarning($this->buildDeprecatedMessage($this->coreDeprecatedModules, $this->contribDeprecatedModules));
+      $items = array_merge($items, $this->groupedModuleInfo[ExtensionLifecycle::DEPRECATED]);
+    }
+
+    return $items;
+  }
+
+  /**
+   * Builds a message to be displayed to the user enabling deprecated modules.
+   *
+   * @param bool $core_deprecated_modules
+   *   TRUE if a core deprecated module is being enabled.
+   * @param bool $contrib_deprecated_modules
+   *   TRUE if a contrib deprecated module is being enabled.
+   *
+   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
+   *   The relevant message.
+   */
+  protected function buildDeprecatedMessage(bool $core_deprecated_modules, bool $contrib_deprecated_modules): TranslatableMarkup {
+    if ($contrib_deprecated_modules && $core_deprecated_modules) {
+      return $this->t('<a href=":url">Deprecated modules</a> are modules that may be removed from the next major release of Drupal core and the relevant contributed module. Use at your own risk.', [':url' => 'https://www.drupal.org/about/core/policies/core-change-policies/deprecated-modules-and-themes']);
+    }
+    if ($contrib_deprecated_modules) {
+      return $this->t('<a href=":url">Deprecated modules</a> are modules that may be removed from the next major release of this project. Use at your own risk.', [':url' => 'https://www.drupal.org/about/core/policies/core-change-policies/deprecated-modules-and-themes']);
+    }
+
+    return $this->t('<a href=":url">Deprecated modules</a> are modules that may be removed from the next major release of Drupal core. Use at your own risk.', [':url' => 'https://www.drupal.org/about/core/policies/core-change-policies/deprecated-modules-and-themes']);
+  }
+
+  /**
+   * Sets properties with information about non-stable modules being enabled.
+   */
+  protected function buildNonStableInfo(): void {
+    $non_stable = $this->modules['non_stable'];
+    $data = $this->moduleExtensionList->getList();
+    $grouped = [];
+    $core_deprecated_modules = FALSE;
+    $contrib_deprecated_modules = FALSE;
+    foreach ($non_stable as $machine_name => $name) {
+      $lifecycle = $data[$machine_name]->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER];
+      if ($lifecycle === ExtensionLifecycle::EXPERIMENTAL) {
+        // We just show the extension name if it is experimental.
+        $grouped[$lifecycle][] = $name;
+        continue;
+      }
+      $core_deprecated_modules = $core_deprecated_modules || $data[$machine_name]->origin === 'core';
+      $contrib_deprecated_modules = $contrib_deprecated_modules || $data[$machine_name]->origin !== 'core';
+      // If the extension is deprecated we show links to more information.
+      $grouped[$lifecycle][] = Link::fromTextAndUrl(
+        $this->t('The @name module is deprecated. (more information)', [
+          '@name' => $name,
+        ]),
+        Url::fromUri($data[$machine_name]->info[ExtensionLifecycle::LIFECYCLE_LINK_IDENTIFIER], [
+          'attributes' =>
+            [
+              'aria-label' => ' ' . $this->t('about the status of the @name module', [
+                  '@name' => $name,
+                ]),
+            ],
+        ])
+      )->toString();
+    }
+
+    $this->groupedModuleInfo = $grouped;
+    $this->coreDeprecatedModules = $core_deprecated_modules;
+    $this->contribDeprecatedModules = $contrib_deprecated_modules;
+  }
+
+}
diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index ffca932ba693..00eddce6b550 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -281,11 +281,11 @@ system.modules_list_confirm:
   requirements:
     _permission: 'administer modules'
 
-system.modules_list_experimental_confirm:
-  path: '/admin/modules/list/confirm-experimental'
+system.modules_list_non_stable_confirm:
+  path: '/admin/modules/list/confirm-non-stable'
   defaults:
-    _form: '\Drupal\system\Form\ModulesListExperimentalConfirmForm'
-    _title: 'Experimental modules'
+    _form: '\Drupal\system\Form\ModulesListNonStableConfirmForm'
+    _title: 'Non-stable modules'
   requirements:
     _permission: 'administer modules'
 
diff --git a/core/modules/system/tests/modules/deprecated_module/deprecated_module.info.yml b/core/modules/system/tests/modules/deprecated_module/deprecated_module.info.yml
new file mode 100644
index 000000000000..991a4a89a82e
--- /dev/null
+++ b/core/modules/system/tests/modules/deprecated_module/deprecated_module.info.yml
@@ -0,0 +1,7 @@
+name: Deprecated module
+type: module
+description: 'Deprecated module'
+package: Testing
+version: VERSION
+lifecycle: deprecated
+lifecycle_link: 'http://example.com/deprecated'
diff --git a/core/modules/system/tests/modules/deprecated_module_contrib/deprecated_module_contrib.info.yml b/core/modules/system/tests/modules/deprecated_module_contrib/deprecated_module_contrib.info.yml
new file mode 100644
index 000000000000..5ead0270f224
--- /dev/null
+++ b/core/modules/system/tests/modules/deprecated_module_contrib/deprecated_module_contrib.info.yml
@@ -0,0 +1,7 @@
+name: Deprecated module contrib
+type: module
+description: 'Deprecated module contrib'
+package: Testing
+version: VERSION
+lifecycle: deprecated
+lifecycle_link: 'http://example.com/deprecated'
diff --git a/core/modules/system/tests/modules/deprecated_module_dependency/deprecated_module_dependency.info.yml b/core/modules/system/tests/modules/deprecated_module_dependency/deprecated_module_dependency.info.yml
new file mode 100644
index 000000000000..a7df141d9d50
--- /dev/null
+++ b/core/modules/system/tests/modules/deprecated_module_dependency/deprecated_module_dependency.info.yml
@@ -0,0 +1,7 @@
+name: Deprecated module dependency
+type: module
+description: 'Module that depends on a deprecated module'
+package: Testing
+version: VERSION
+dependencies:
+  - drupal:deprecated_module
diff --git a/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.info.yml b/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.info.yml
new file mode 100644
index 000000000000..1ddf3b60b2f0
--- /dev/null
+++ b/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.info.yml
@@ -0,0 +1,5 @@
+name: Deprecated module test
+type: module
+description: 'Deprecated module test'
+package: Testing
+version: VERSION
diff --git a/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.module b/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.module
new file mode 100644
index 000000000000..6d4ab17dd97b
--- /dev/null
+++ b/core/modules/system/tests/modules/deprecated_module_test/deprecated_module_test.module
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Deprecated module test module.
+ */
+
+use Drupal\Core\Extension\Extension;
+
+/**
+ * Implements hook_system_info_alter().
+ */
+function deprecated_module_test_system_info_alter(array &$info, Extension $file, $type) {
+  // Make the 'deprecated_module_contrib' look like it isn't part of core.
+  if ($type === 'module' && $info['name'] === 'Deprecated module contrib') {
+    $file->origin = 'sites/all';
+  }
+}
diff --git a/core/modules/system/tests/src/Functional/Form/ModulesListFormWebTest.php b/core/modules/system/tests/src/Functional/Form/ModulesListFormWebTest.php
index af41b0de5d6d..8955c70640d4 100644
--- a/core/modules/system/tests/src/Functional/Form/ModulesListFormWebTest.php
+++ b/core/modules/system/tests/src/Functional/Form/ModulesListFormWebTest.php
@@ -53,6 +53,10 @@ class ModulesListFormWebTest extends BrowserTestBase {
     // module is used because its machine name is different than its human
     // readable name.
     $this->assertSession()->pageTextContains('dblog');
+
+    // Check that the deprecated module link was rendered correctly.
+    $this->assertSession()->elementExists('xpath', "//a[contains(@aria-label, 'View information on the Deprecated status of the module Deprecated module')]");
+    $this->assertSession()->elementExists('xpath', "//a[contains(@href, 'http://example.com/deprecated')]");
   }
 
   /**
diff --git a/core/modules/system/tests/src/Functional/Module/ExperimentalModuleTest.php b/core/modules/system/tests/src/Functional/Module/ExperimentalModuleTest.php
deleted file mode 100644
index 8f34316a3a9e..000000000000
--- a/core/modules/system/tests/src/Functional/Module/ExperimentalModuleTest.php
+++ /dev/null
@@ -1,148 +0,0 @@
-<?php
-
-namespace Drupal\Tests\system\Functional\Module;
-
-use Drupal\Tests\BrowserTestBase;
-
-/**
- * Tests the installation of modules.
- *
- * @group Module
- */
-class ExperimentalModuleTest extends BrowserTestBase {
-
-
-  /**
-   * The admin user.
-   *
-   * @var \Drupal\user\UserInterface
-   */
-  protected $adminUser;
-
-  /**
-   * {@inheritdoc}
-   */
-  protected $defaultTheme = 'stark';
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function setUp(): void {
-    parent::setUp();
-    $this->adminUser = $this->drupalCreateUser([
-      'access administration pages',
-      'administer modules',
-    ]);
-    $this->drupalLogin($this->adminUser);
-  }
-
-  /**
-   * Tests installing experimental modules and dependencies in the UI.
-   */
-  public function testExperimentalConfirmForm() {
-
-    // First, test installing a non-experimental module with no dependencies.
-    // There should be no confirmation form and no experimental module warning.
-    $edit = [];
-    $edit["modules[test_page_test][enable]"] = TRUE;
-    $this->drupalGet('admin/modules');
-    $this->submitForm($edit, 'Install');
-    $this->assertSession()->pageTextContains('Module Test page has been enabled.');
-    $this->assertSession()->pageTextNotContains('Experimental modules are provided for testing purposes only.');
-
-    // Uninstall the module.
-    \Drupal::service('module_installer')->uninstall(['test_page_test']);
-
-    // Next, test installing an experimental module with no dependencies.
-    // There should be a confirmation form with an experimental warning, but no
-    // list of dependencies.
-    $edit = [];
-    $edit["modules[experimental_module_test][enable]"] = TRUE;
-    $this->drupalGet('admin/modules');
-    $this->submitForm($edit, 'Install');
-
-    // The module should not be enabled and there should be a warning and a
-    // list of the experimental modules with only this one.
-    $this->assertSession()->pageTextNotContains('Experimental Test has been enabled.');
-    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
-    $this->assertSession()->pageTextContains('The following modules are experimental: Experimental Test');
-
-    // There should be no message about enabling dependencies.
-    $this->assertSession()->pageTextNotContains('You must enable');
-
-    // Enable the module and confirm that it worked.
-    $this->submitForm([], 'Continue');
-    $this->assertSession()->pageTextContains('Experimental Test has been enabled.');
-
-    // Uninstall the module.
-    \Drupal::service('module_installer')->uninstall(['experimental_module_test']);
-
-    // Test enabling a module that is not itself experimental, but that depends
-    // on an experimental module.
-    $edit = [];
-    $edit["modules[experimental_module_dependency_test][enable]"] = TRUE;
-    $this->drupalGet('admin/modules');
-    $this->submitForm($edit, 'Install');
-
-    // The module should not be enabled and there should be a warning and a
-    // list of the experimental modules with only this one.
-    $this->assertSession()->pageTextNotContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
-    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
-
-    $this->assertSession()->pageTextContains('The following modules are experimental: Experimental Test');
-
-    // Ensure the non-experimental module is not listed as experimental.
-    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Test, Experimental Dependency Test');
-    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Dependency Test');
-
-    // There should be a message about enabling dependencies.
-    $this->assertSession()->pageTextContains('You must enable the Experimental Test module to install Experimental Dependency Test');
-
-    // Enable the module and confirm that it worked.
-    $this->submitForm([], 'Continue');
-    $this->assertSession()->pageTextContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
-
-    // Uninstall the modules.
-    \Drupal::service('module_installer')->uninstall(['experimental_module_test', 'experimental_module_dependency_test']);
-
-    // Finally, check both the module and its experimental dependency. There is
-    // still a warning about experimental modules, but no message about
-    // dependencies, since the user specifically enabled the dependency.
-    $edit = [];
-    $edit["modules[experimental_module_test][enable]"] = TRUE;
-    $edit["modules[experimental_module_dependency_test][enable]"] = TRUE;
-    $this->drupalGet('admin/modules');
-    $this->submitForm($edit, 'Install');
-
-    // The module should not be enabled and there should be a warning and a
-    // list of the experimental modules with only this one.
-    $this->assertSession()->pageTextNotContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
-    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
-
-    $this->assertSession()->pageTextContains('The following modules are experimental: Experimental Test');
-
-    // Ensure the non-experimental module is not listed as experimental.
-    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Dependency Test, Experimental Test');
-    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Dependency Test');
-
-    // There should be no message about enabling dependencies.
-    $this->assertSession()->pageTextNotContains('You must enable');
-
-    // Enable the module and confirm that it worked.
-    $this->submitForm([], 'Continue');
-    $this->assertSession()->pageTextContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
-
-    // Try to enable an experimental module that can not be due to
-    // hook_requirements().
-    \Drupal::state()->set('experimental_module_requirements_test_requirements', TRUE);
-    $edit = [];
-    $edit["modules[experimental_module_requirements_test][enable]"] = TRUE;
-    $this->drupalGet('admin/modules');
-    $this->submitForm($edit, 'Install');
-    // Verify that if the module can not be installed, we are not taken to the
-    // confirm form.
-    $this->assertSession()->addressEquals('admin/modules');
-    $this->assertSession()->pageTextContains('The Experimental Test Requirements module can not be installed.');
-  }
-
-}
diff --git a/core/modules/system/tests/src/Functional/Module/InstallUninstallTest.php b/core/modules/system/tests/src/Functional/Module/InstallUninstallTest.php
index 11030908cc23..f2fca213dae0 100644
--- a/core/modules/system/tests/src/Functional/Module/InstallUninstallTest.php
+++ b/core/modules/system/tests/src/Functional/Module/InstallUninstallTest.php
@@ -112,7 +112,7 @@ class InstallUninstallTest extends ModuleTestBase {
 
       // Handle experimental modules, which require a confirmation screen.
       if ($lifecycle === ExtensionLifecycle::EXPERIMENTAL) {
-        $this->assertSession()->pageTextContains('Are you sure you wish to enable experimental modules?');
+        $this->assertSession()->pageTextContains('Are you sure you wish to enable an experimental module?');
         if (count($modules_to_install) > 1) {
           // When there are experimental modules, needed dependencies do not
           // result in the same page title, but there will be expected text
diff --git a/core/modules/system/tests/src/Functional/Module/NonStableModulesTest.php b/core/modules/system/tests/src/Functional/Module/NonStableModulesTest.php
new file mode 100644
index 000000000000..c90cfd486f49
--- /dev/null
+++ b/core/modules/system/tests/src/Functional/Module/NonStableModulesTest.php
@@ -0,0 +1,343 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Module;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\user\UserInterface;
+
+/**
+ * Tests the installation of deprecated and experimental modules.
+ *
+ * @group Module
+ */
+class NonStableModulesTest extends BrowserTestBase {
+
+  /**
+   * The admin user.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected UserInterface $adminUser;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'deprecated_module_test',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+    $this->adminUser = $this->drupalCreateUser([
+      'access administration pages',
+      'administer modules',
+    ]);
+    $this->drupalLogin($this->adminUser);
+  }
+
+  /**
+   * Tests installing experimental modules and dependencies in the UI.
+   */
+  public function testExperimentalConfirmForm(): void {
+    // First, test installing a non-experimental module with no dependencies.
+    // There should be no confirmation form and no experimental module warning.
+    $edit = [];
+    $edit["modules[test_page_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+    $this->assertSession()->pageTextContains('Module Test page has been enabled.');
+    $this->assertSession()->pageTextNotContains('Experimental modules are provided for testing purposes only.');
+
+    // There should be no warning about enabling experimental or deprecated
+    // modules, since there's no confirmation form.
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable ');
+
+    // Uninstall the module.
+    \Drupal::service('module_installer')->uninstall(['test_page_test']);
+
+    // Next, test installing an experimental module with no dependencies.
+    // There should be a confirmation form with an experimental warning, but no
+    // list of dependencies.
+    $edit = [];
+    $edit["modules[experimental_module_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the experimental modules with only this one.
+    $this->assertSession()->pageTextNotContains('Experimental Test has been enabled.');
+    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
+    $this->assertSession()->pageTextContains('The following module is experimental: Experimental Test');
+
+    // There should be a warning about enabling experimental modules, but no
+    // warnings about deprecated modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // There should be no message about enabling dependencies.
+    $this->assertSession()->pageTextNotContains('You must enable');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $this->assertSession()->pageTextContains('Experimental Test has been enabled.');
+
+    // Uninstall the module.
+    \Drupal::service('module_installer')->uninstall(['experimental_module_test']);
+
+    // Test enabling a module that is not itself experimental, but that depends
+    // on an experimental module.
+    $edit = [];
+    $edit["modules[experimental_module_dependency_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the experimental modules with only this one.
+    $this->assertSession()->pageTextNotContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
+    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
+    $this->assertSession()->pageTextContains('The following module is experimental: Experimental Test');
+
+    // There should be a warning about enabling experimental modules, but no
+    // warnings about deprecated modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // Ensure the non-experimental module is not listed as experimental.
+    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Test, Experimental Dependency Test');
+    $this->assertSession()->pageTextNotContains('The following module is experimental: Experimental Dependency Test');
+
+    // There should be a message about enabling dependencies.
+    $this->assertSession()->pageTextContains('You must enable the Experimental Test module to install Experimental Dependency Test');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $this->assertSession()->pageTextContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
+
+    // Uninstall the modules.
+    \Drupal::service('module_installer')->uninstall([
+      'experimental_module_test',
+      'experimental_module_dependency_test',
+    ]);
+
+    // Finally, check both the module and its experimental dependency. There is
+    // still a warning about experimental modules, but no message about
+    // dependencies, since the user specifically enabled the dependency.
+    $edit = [];
+    $edit["modules[experimental_module_test][enable]"] = TRUE;
+    $edit["modules[experimental_module_dependency_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the experimental modules with only this one.
+    $this->assertSession()->pageTextNotContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
+    $this->assertSession()->pageTextContains('Experimental modules are provided for testing purposes only.');
+    $this->assertSession()->pageTextContains('The following module is experimental: Experimental Test');
+
+    // There should be a warning about enabling experimental modules, but no
+    // warnings about deprecated modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // Ensure the non-experimental module is not listed as experimental.
+    $this->assertSession()->pageTextNotContains('The following modules are experimental: Experimental Dependency Test, Experimental Test');
+    $this->assertSession()->pageTextNotContains('The following module is experimental: Experimental Dependency Test');
+
+    // There should be no message about enabling dependencies.
+    $this->assertSession()->pageTextNotContains('You must enable');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $this->assertSession()->pageTextContains('2 modules have been enabled: Experimental Dependency Test, Experimental Test');
+
+    // Try to enable an experimental module that can not be due to
+    // hook_requirements().
+    \Drupal::state()->set('experimental_module_requirements_test_requirements', TRUE);
+    $edit = [];
+    $edit["modules[experimental_module_requirements_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // Verify that if the module can not be installed, we are not taken to the
+    // confirm form.
+    $this->assertSession()->addressEquals('admin/modules');
+    $this->assertSession()->pageTextContains('The Experimental Test Requirements module can not be installed.');
+  }
+
+  /**
+   * Tests installing deprecated modules and dependencies in the UI.
+   */
+  public function testDeprecatedConfirmForm(): void {
+    // Test installing a deprecated module with no dependencies. There should be
+    // a confirmation form with a deprecated warning, but no list of
+    // dependencies.
+    $edit = [];
+    $edit["modules[deprecated_module][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the deprecated modules with only this one.
+    $assert = $this->assertSession();
+    $assert->pageTextNotContains('Deprecated module has been enabled.');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of Drupal core. Use at your own risk.');
+    $assert->pageTextContains('The Deprecated module module is deprecated');
+    $more_information_link = $assert->elementExists('named', [
+      'link',
+      'The Deprecated module module is deprecated. (more information)',
+    ]);
+    $this->assertEquals('http://example.com/deprecated', $more_information_link->getAttribute('href'));
+
+    // There should be a warning about enabling deprecated modules, but no
+    // warnings about experimental modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // There should be no message about enabling dependencies.
+    $assert->pageTextNotContains('You must enable');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $assert->pageTextContains('Deprecated module has been enabled.');
+
+    // Uninstall the module.
+    \Drupal::service('module_installer')->uninstall(['deprecated_module']);
+
+    // Test enabling a module that is not itself deprecated, but that depends on
+    // a deprecated module.
+    $edit = [];
+    $edit["modules[deprecated_module_dependency][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the deprecated modules with only this one.
+    $assert->pageTextNotContains('2 modules have been enabled: Deprecated module dependency, Deprecated module');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of Drupal core. Use at your own risk.');
+    $assert->pageTextContains('The Deprecated module module is deprecated');
+
+    // There should be a warning about enabling deprecated modules, but no
+    // warnings about experimental modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // Ensure the non-deprecated module is not listed as deprecated.
+    $assert->pageTextNotContains('The Deprecated module dependency module is deprecated');
+
+    // There should be a message about enabling dependencies.
+    $assert->pageTextContains('You must enable the Deprecated module module to install Deprecated module dependency');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $assert->pageTextContains('2 modules have been enabled: Deprecated module dependency, Deprecated module');
+
+    // Uninstall the modules.
+    \Drupal::service('module_installer')->uninstall([
+      'deprecated_module',
+      'deprecated_module_dependency',
+    ]);
+
+    // Finally, check both the module and its deprecated dependency. There is
+    // still a warning about deprecated modules, but no message about
+    // dependencies, since the user specifically enabled the dependency.
+    $edit = [];
+    $edit["modules[deprecated_module_dependency][enable]"] = TRUE;
+    $edit["modules[deprecated_module][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the deprecated modules with only this one.
+    $assert->pageTextNotContains('2 modules have been enabled: Deprecated module dependency, Deprecated module');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of Drupal core. Use at your own risk.');
+    $assert->pageTextContains('The Deprecated module module is deprecated');
+
+    // There should be a warning about enabling deprecated modules, but no
+    // warnings about experimental modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable a deprecated module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable an experimental module?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental and deprecated modules?');
+
+    // Ensure the non-deprecated module is not listed as deprecated.
+    $assert->pageTextNotContains('The Deprecated module dependency module is deprecated');
+
+    // There should be no message about enabling dependencies.
+    $assert->pageTextNotContains('You must enable');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $assert->pageTextContains('2 modules have been enabled: Deprecated module, Deprecated module dependency');
+
+    $this->drupalGet('admin/modules');
+    $this->submitForm(["modules[deprecated_module_contrib][enable]" => TRUE], 'Install');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of this project. Use at your own risk.');
+
+    \Drupal::service('module_installer')->uninstall([
+      'deprecated_module',
+      'deprecated_module_dependency',
+    ]);
+    $this->drupalGet('admin/modules');
+    $this->submitForm([
+      "modules[deprecated_module_contrib][enable]" => TRUE,
+      "modules[deprecated_module][enable]" => TRUE,
+    ], 'Install');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of Drupal core and the relevant contributed module. Use at your own risk.');
+  }
+
+  /**
+   * Tests installing deprecated and experimental modules at the same time.
+   */
+  public function testDeprecatedAndExperimentalConfirmForm(): void {
+    $edit = [];
+    $edit["modules[deprecated_module][enable]"] = TRUE;
+    $edit["modules[experimental_module_test][enable]"] = TRUE;
+    $this->drupalGet('admin/modules');
+    $this->submitForm($edit, 'Install');
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the deprecated modules with only this one.
+    $assert = $this->assertSession();
+    $assert->pageTextNotContains('Deprecated module has been enabled.');
+    $assert->pageTextContains('Deprecated modules are modules that may be removed from the next major release of Drupal core. Use at your own risk.');
+    $assert->pageTextContains('The Deprecated module module is deprecated');
+    $more_information_link = $assert->elementExists('named', [
+      'link',
+      'The Deprecated module module is deprecated. (more information)',
+    ]);
+    $this->assertEquals('http://example.com/deprecated', $more_information_link->getAttribute('href'));
+
+    // The module should not be enabled and there should be a warning and a
+    // list of the experimental modules with only this one.
+    $assert->pageTextNotContains('Experimental Test has been enabled.');
+    $assert->pageTextContains('Experimental modules are provided for testing purposes only.');
+    $assert->pageTextContains('The following module is experimental: Experimental Test');
+
+    // There should be a warning about enabling experimental and deprecated
+    // modules, but no warnings about solitary experimental or deprecated
+    // modules.
+    $this->assertSession()->pageTextContains('Are you sure you wish to enable experimental and deprecated modules?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable experimental modules?');
+    $this->assertSession()->pageTextNotContains('Are you sure you wish to enable deprecated modules?');
+
+    // There should be no message about enabling dependencies.
+    $assert->pageTextNotContains('You must enable');
+
+    // Enable the module and confirm that it worked.
+    $this->submitForm([], 'Continue');
+    $assert->pageTextContains('2 modules have been enabled: Deprecated module, Experimental Test.');
+  }
+
+}
diff --git a/core/themes/stable/css/system/system.admin.css b/core/themes/stable/css/system/system.admin.css
index 4a3ddb11698d..7bdd79b5552e 100644
--- a/core/themes/stable/css/system/system.admin.css
+++ b/core/themes/stable/css/system/system.admin.css
@@ -199,6 +199,15 @@ small .admin-link:after {
 [dir="rtl"] .module-link-configure {
   background-position: top 50% right 0;
 }
+.module-link--non-stable {
+  padding-left: 18px;
+  background: url(../../../../misc/icons/e29700/warning.svg) 0 50% no-repeat; /* LTR */
+}
+[dir="rtl"] .module-link--non-stable {
+  padding-right: 18px;
+  padding-left: 0;
+  background-position: top 50% right 0;
+}
 
 /* Status report. */
 .system-status-report__status-title {
diff --git a/core/themes/stable9/css/system/system.admin.css b/core/themes/stable9/css/system/system.admin.css
index 3399d0e8d5f0..e4b0e61b9788 100644
--- a/core/themes/stable9/css/system/system.admin.css
+++ b/core/themes/stable9/css/system/system.admin.css
@@ -199,6 +199,15 @@ small .admin-link:after {
 [dir="rtl"] .module-link-configure {
   background-position: top 50% right 0;
 }
+.module-link--non-stable {
+  padding-left: 18px;
+  background: url(../../../../misc/icons/e29700/warning.svg) 0 50% no-repeat; /* LTR */
+}
+[dir="rtl"] .module-link--non-stable {
+  padding-right: 18px;
+  padding-left: 0;
+  background-position: top 50% right 0;
+}
 
 /* Status report. */
 .system-status-report__status-title {