In the course details page, you can edit each user's progress.
Note: Some features may be restricted based on permissions for your user role.
Open Author Menu
In the Global Navigation menu, click the Author option; then select Courses.
Note: The Global Navigation menu may differ depending on what is enabled in your account.
Edit Learner Progress
The Learners tab shows all users enrolled in your course. To edit the progress of a user's enrollment, click the Progress icon . To mark a user's progress as complete, click the Mark Complete button . To reset a user's progress, click the Reset Learner button .
Re-enrolling one User
To reset the progress of a user into a course click on the three dots  to the right of the progress. Then select the Re-enroll  option. This allows you to enroll users without having to use the expires/re-enroll feature.
Re-enrolling all completed users
To re-enroll all completed users within a course you can do so by clicking on the three dots in the top right hand corner. From there select the option to Re-enroll all completed.
Use this feature if users need to re-take the course but the expires/re-enroll feature was not enabled initially.