If you would like to take a course, you will need to add the course to your account. Go to the Course Catalog page and find a course, then click on Learn More.
This page displays the details of the course. Click on the "Add to My Courses" button.
The next page will show that the course was added to your account. Click on Take Course to launch the course.
With the course in your account, it will now appear on your My Courses page. You can open the course at any point on this page too.