2 - Workspace need to be course. Therefore click the Check-Box »This is a course« (Just Incom user registered as a Teacher have permission to edit this checkbox. Changing your Status to Teacher will need approval by the Administrators and might take a day or two)

3 - use the »add modules« to add modules to the workspace.

4 - Select the right module from the list. you can add multiple modules to a course. 

5 - Select a term.

6 - Save