To assign or to remove user roles:
Go to Administration > User management.
From the content menu, select Users.
In the list of the users, click on the Technical ID of the user that needs to be modified.
On the User details page:
To save the changes, click the Change roles button.
To assign a role, click on the toggle sign next to the role name.
To remove a role, click on the toggle sign next to the role name.
