Go To Administration > Trainees > Group Management

Hover over the User Group you wish to assign a user to

Click on the blue pencil to edit the User Group

Select Assign Users - a list of your registered users will appear

Use the Search option or the Filters to quickly locate the users you need

Select the users you want to assign to this group

Click Assign to save your changes and assign the users

Click Yes to assign the user to the user group. Click No to close the pop-up

Hover over an assigned user and select the Bin icon to remove a user from a User Group