Change a user's first name or last name.

1. Go to Settings > Users.
   
2. Click the More options icon in the Action column and select Edit.
   
3. On the pop-up, edit the user's first and last name, then click Save.
   Note:

   You can't edit the Email field, which is also the username. To change a user's email, add a new user with the new email address. Then delete the user with the old email address.