diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index b8d1a26..fee74db 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -690,6 +690,10 @@ function install_tasks($install_state) {
     ),
     'install_profile_themes' => array(
     ),
+    'install_download_additional_translations' => array(
+      'type' => 'batch',
+      'run' => $needs_translations ? INSTALL_TASK_RUN_IF_NOT_COMPLETED : INSTALL_TASK_SKIP,
+    ),
     'install_import_translations' => array(
       'display_name' => t('Set up translations'),
       'display' => $needs_translations,
@@ -1538,16 +1542,16 @@ function install_profile_themes(&$install_state) {
 }
 
 /**
- * Imports languages via a batch process during installation.
+ * Prepares the system for import and downloads additional translations.
  *
  * @param $install_state
  *   An array of information about the current installation state.
  *
  * @return
- *   The batch definition, if there are language files to import.
+ *   The batch definition, if there are language files to download.
  */
-function install_import_translations(&$install_state) {
-  include_once __DIR__ . '/../modules/locale/locale.bulk.inc';
+function install_download_additional_translations(&$install_state) {
+  \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
 
   $langcode = $install_state['parameters']['langcode'];
   if (!($language = entity_load('configurable_language', $langcode))) {
@@ -1565,17 +1569,39 @@ function install_import_translations(&$install_state) {
   // If there is more than one language or the single one is not English, we
   // should download/import translations.
   $languages = \Drupal::languageManager()->getLanguages();
-  if (count($languages) > 1 || !isset($languages['en'])) {
-    foreach($languages as $langcode => $language) {
-      // The installer language was already downloaded. Check downloads for the
-      // other languages if any. Ignore any download errors here, since we
-      // are in the middle of an install process and there is no way back. We
-      // will not import what we cannot download.
-      if ($langcode != $install_state['parameters']['langcode']) {
-        install_check_translations($langcode, $install_state['server_pattern']);
-      }
+  $operations = array();
+  foreach($languages as $langcode => $language) {
+    // The installer language was already downloaded. Check downloads for the
+    // other languages if any. Ignore any download errors here, since we
+    // are in the middle of an install process and there is no way back. We
+    // will not import what we cannot download.
+    if ($langcode != 'en' && $langcode != $install_state['parameters']['langcode']) {
+      $operations[] = array('install_check_translations', array($langcode, $install_state['server_pattern']));
     }
+  }
+  if (count($operations)) {
+    return array(
+      'operations' => $operations,
+      'title' => t('Downloading additional translations'),
+      'error_message' => t('The installation has encountered an error.'),
+    );
+  }
+}
 
+/**
+ * Imports languages via a batch process during installation.
+ *
+ * @param $install_state
+ *   An array of information about the current installation state.
+ *
+ * @return
+ *   The batch definition, if there are language files to import.
+ */
+function install_import_translations(&$install_state) {
+  // If there is more than one language or the single one is not English, we
+  // should import translations.
+  $languages = \Drupal::languageManager()->getLanguages();
+  if (count($languages) > 1 || !isset($languages['en'])) {
     // Set up a batch to import translations.
     _install_prepare_import(array_keys($languages), $install_state['server_pattern']);
     module_load_include('fetch.inc', 'locale');
@@ -1594,6 +1620,7 @@ function install_import_translations(&$install_state) {
  *   Server access pattern (to replace language code, version number, etc. in).
  */
 function _install_prepare_import($langcodes, $server_pattern) {
+  \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
   $matches = array();
 
   foreach ($langcodes as $langcode) {
@@ -1641,8 +1668,8 @@ function _install_prepare_import($langcodes, $server_pattern) {
  *   The batch definition, if there are language files to import.
  */
 function install_import_translations_remaining(&$install_state) {
-  module_load_include('fetch.inc', 'locale');
-  module_load_include('compare.inc', 'locale');
+  \Drupal::moduleHandler()->loadInclude('locale', 'fetch.inc');
+  \Drupal::moduleHandler()->loadInclude('locale', 'compare.inc');
 
   // Build a fresh list of installed projects. When more projects than core are
   // installed, their translations will be downloaded (if required) and imported
diff --git a/core/modules/system/src/Tests/Installer/InstallerTranslationMultipleLanguageForeignTest.php b/core/modules/system/src/Tests/Installer/InstallerTranslationMultipleLanguageForeignTest.php
index 183fce9..248d485 100644
--- a/core/modules/system/src/Tests/Installer/InstallerTranslationMultipleLanguageForeignTest.php
+++ b/core/modules/system/src/Tests/Installer/InstallerTranslationMultipleLanguageForeignTest.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\system\Tests\Installer;
 
-use Drupal\simpletest\InstallerTestBase;
-
 /**
  * Tests translation files for multiple languages get imported during install.
  *