To assign a group to a user, the following steps are required:
Navigate to the Users page.
The user, which should be added to a group, can be found using the list or with the help of the filter function.
Select the user
Navigate to the top of the web browser and select Groups from the tabs as indicated in the image
Search for a specific group from the list of available groups via the table or using the filter
Select the group and click Add Selected
The user should now be visible in the group as assigned and inherit all permissions assigned to the group.
Alternative ways to manage the user's roles and permissions when no group has been set up can be found here: