1. Click Users in the Admin toolbar.
2. On the Users tab, locate the user in the user grid. If you have several users you may need to page through the list of users, or enter the username or email address in the search field.
3. Click the user name to open the user's detail page
4. In the Roles section of the page, check the box next to each role to which this user should be assigned. File Managers and Image Managers will be selected by default. Learn more about all of the roles here.
5. Click the Update button.