To resume a course you had started earlier, go to the top right corner of your account, and click the 'Playlist' button as shown below.
Click the 'In Progress' tab to get to all of the courses you have started but haven't yet completed.
Find the course you'd like to finish and click the 'Continue Video' button to resume watching.
You can also get to the courses in progress by using the Me menu in the top right corner and selecting the 'My Courses' option on the drop-down.
Still have questions? Give us a call at (877) 518-0660 or email firstname.lastname@example.org.