Via “Master data- >User administration” you reach a list in which all known users are listed.
If the list is too confusing, use the “Filter” to restrict the displayed results.
One “user” per line is always displayed. Click in a row to be able to edit the record for a “user”.
You will now see several tabs above your “Account Information”, click on “Modules”.
To assign or remove “modules” to your selected “user”, remove or set the check marks to the left of the module name and module description.
Finally, click on the “Save” button at the bottom left to accept the changed data record.