Change Roles /Permissions
Step 1. Go to the main menu and select click "User management", then you click on "Users".
Step 2. Then press the user you want to change.
Step 3. Click on the button "Modify" at the top right.
Step 4. Press the cross next to the rollers to remove them.
And next to the roles "the empty part of the box" you can add a role.
Step 5. Click on "Save"