diff --git a/migrate_upgrade.routing.yml b/migrate_upgrade.routing.yml
index df710f4..d869df5 100644
--- a/migrate_upgrade.routing.yml
+++ b/migrate_upgrade.routing.yml
@@ -1,8 +1,7 @@
 migrate_upgrade.upgrade:
   path: '/upgrade'
   defaults:
-    _form: '\Drupal\migrate_upgrade\Form\MigrateUpgradeForm'
-    _title: 'Upgrade'
+      _controller: '\Drupal\migrate_upgrade\Controller\MigrateController::handle'
   requirements:
     _permission: 'administer software updates'
   options:
diff --git a/src/Controller/MigrateController.php b/src/Controller/MigrateController.php
index b0d13d2..89087a1 100644
--- a/src/Controller/MigrateController.php
+++ b/src/Controller/MigrateController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @file
  * Contains Drupal\migrate_upgrade\Controller\MigrateController.
@@ -7,6 +8,10 @@
 namespace Drupal\migrate_upgrade\Controller;
 
 use Drupal\Core\Controller\ControllerBase;
+use Drupal\Core\Form\FormState;
+use Drupal\Core\Render\BareHtmlPageRendererInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Controller methods for the migration.
@@ -14,6 +19,106 @@ use Drupal\Core\Controller\ControllerBase;
 class MigrateController extends ControllerBase {
 
   /**
+   * The bare HTML page renderer.
+   *
+   * @var \Drupal\Core\Render\BareHtmlPageRendererInterface
+   */
+  protected $bareHtmlPageRenderer;
+
+  /**
+   * Constructs a new Upgrade Controller.
+   *
+   * @param \Drupal\Core\Render\BareHtmlPageRendererInterface $bare_html_page_renderer
+   *   The bare HTML page renderer.
+   */
+  public function __construct(BareHtmlPageRendererInterface $bare_html_page_renderer) {
+    $this->bareHtmlPageRenderer = $bare_html_page_renderer;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('bare_html_page_renderer')
+    );
+  }
+
+  /**
+   *
+   */
+  public function handle(Request $request) {
+
+    $upgrade_state['interactive'] = TRUE;
+    $regions = [];
+    $regions['sidebar_first'] = $this->updateTasksList('settings');
+    $output = $this->get_form('\Drupal\migrate_upgrade\Form\MigrateUpgradeForm', $upgrade_state);
+    $title = isset($output['#title']) ? $output['#title'] : $this->t('Drupal upgrade');
+    return $this->bareHtmlPageRenderer->renderBarePage($output, $title, '', $regions);
+  }
+
+  /**
+   * Builds and processes a form for the upgrade environment.
+   *
+   * Ensures that FormBuilder does not redirect after submitting a form, since the
+   * installer uses a custom step/flow logic via install_run_tasks().
+   *
+   * @param string|array $form_id
+   *   The form ID to build and process.
+   * @param array $upgrade_state
+   *   The current state of the installation.
+   *
+   * @return array|null
+   *   A render array containing the form to render, or NULL in case the form was
+   *   successfully submitted.
+   *
+   * @throws \Drupal\Core\Installer\Exception\InstallerException
+   */
+  function get_form($form_id, array &$upgrade_state) {
+    // Ensure the form will not redirect, since install_run_tasks() uses a custom
+    // redirection logic.
+    $form_state = (new FormState())
+        ->addBuildInfo('args', [&$upgrade_state])
+        ->disableRedirect();
+    $form_builder = \Drupal::formBuilder();
+    if ($upgrade_state['interactive']) {
+      $form = $form_builder->buildForm($form_id, $form_state);
+      // If the form submission was not successful, the form needs to be rendered,
+      // which means the task is not complete yet.
+      if (!$form_state->isExecuted()) {
+        $upgrade_state['form_executed'] = FALSE;
+      }
+    }
+    return $form;
+  }
+
+  /**
+   * Provides the update task list render array.
+   *
+   * @param string $active
+   *   The active task.
+   *   Can be one of 'requirements', 'info', 'selection', 'run', 'results'.
+   *
+   * @return array
+   *   A render array.
+   */
+  protected function updateTasksList($active = NULL) {
+    // Default list of tasks.
+    $tasks = array(
+      'overview' => $this->t('Overview'),
+      'settings' => $this->t('Settings'),
+      'review' => $this->t('Review updates'),
+    );
+
+    $task_list = array(
+      '#theme' => 'maintenance_task_list',
+      '#items' => $tasks,
+      '#active' => $active,
+    );
+    return $task_list;
+  }
+
+  /**
    * Sets a log filter and redirects to the log.
    */
   public function showLog() {
@@ -21,4 +126,5 @@ class MigrateController extends ControllerBase {
     $_SESSION['dblog_overview_filter']['type'] = ['migrate_upgrade' => 'migrate_upgrade'];
     return $this->redirect('dblog.overview');
   }
+
 }