Suppose your client wants to create a Web team—a couple of people who should become responsible for content maintenance—let's create user accounts for these content contributors.
1. Navigate to Site | User Manager, Joomla!'s backend manager where you can view, edit, and create site users.
2. There's just one user, you. By default, Joomla! calls this first user Administrator (although this user belongs to the Super Administrator group). To add another user, click on the New button in the toolbar.
3. In the User: [New] screen, add User Details as desired. In this example, we've entered Jim Van Gogh in the Name field. In the Username field we've entered jvgogh. Enter a valid E-mail address and a password for the new user.
4. In the Group box, select Author. This will allow the new user to submit and edit content (after logging in to the frontend of the site).
5. Click on Save. The User Manager screen now shows the new User: