Test only on one device of your choice. In course overview, click to download a course and wait for it to end. Please notice that the download could display an error, e.g. if there is a quiz with password. Go offline and check that all the course options (top tabs) were downloaded. Check that you can navigate inside each option. Tabs that should be tested: Participants. Doesn't matter if you use a student or teacher. Grades. Recommended to use a student user. Competencies. They're configured in Proto 3.1 > Course with quizzes. As studentjuan. Course completion. Use a student user.  Notes: Teacher only. There are some in Proto 3.1 > Course with grade book. As teacherterry.