The instructions in this article pertain to Drupal Enterprise 7 and Drupal Enterprise 8. Your role in Drupal may not have the proper permissions to complete the task. Contact your site administrator for additional information.
Click Menu in the Administrator toolbar.
If you are using Drupal 7, click Modules in the Menu toolbar. If you are using Drupal 8, click Extend in the Menu toolbar.
Use the Filter list field to limit the list of modules.
Check the Enable checkbox next to the module(s) you wish to turn on.
In Drupal Enterprise 7, Click Save configuration at the bottom of the left-hand column. In Drupal Enterprise 8, select Install. Note: Modules have a lot of settings, so be sure to configure your modules after you enable them.