When you click on the users menu in the top left of the topbar, you can view three more options.
On this page you can easily add, remove special permission to any user.
Permissions are a type of grade on your website.
To add permission to any user, type his email and select the grade on the right panel.
User email can be found on users info.
On this page you can ban any user, by email or ip.
If you ban a user, he can't view the website anymore, if you ban the email, he can recreate another
account (only if the theme permit login and registration).
If you ban a user by ip, if he try access with this ip he can login in.
To ban a user, type on the right panel, his ip or his email and next select how much you want ban
him.
On this page you can retrieve any users information.
In the center you can view a tables with all the user information. If you need the user email or the
user ip you can easily get them, for ban the user or promote the user.