This article explains how to allow learners to retake a course.
In the top navigation bar, click Content and select Courses. Click to open the course.
Below 'Do you want to allow learners to retake this course?' select 'Yes allow retakes'.
Click Update at the top right.
Now when learners return to a course they previously completed, they will see a Retake button as shown below.
Click here to see all articles related to Courses