Step 1: Log in to the cPanel.
Step 2: Click on “There are # update(s) available.” under Softaculous Apps Installer.
Step 3: Locate your Drupal website and click the upgrade icon.
Step 4: Tick the checkbox “Create Backup before upgrading” and click “Upgrade” button.
Step 5: The system will then submit the data and do the upgrading process.
Step 6: A pop-up window will show that you need to complete the upgrade process. Click “OK” button.
Step 7: Drupal requires you to update the database. Click “Continue” to proceed. (Please also read the upgrading handbook for more detailed information about the upgrade.)
Step 8: Pending updates may be available, click “Apply pending updates” button.
Step 9: Drupal site version has now been updated. Access your Drupal dashboard it put it back online by turning off the maintenance mode.