Step 1: Once enrolled, click the first lesson
Step 2: Click "Launch"--the lesson starts automatically
Step 3: Once you're finished with the lesson, click the "X" at the top-right of the screen
Step 4: Click "Mark Completed" to mark that lesson as complete
NOTE: You must finish the whole lesson before you're able to mark it as complete.
Step 5: If there are no more lessons, Course Feedback will appear--you can fill it out and click Submit or not; in either case, click "Mark Completed" to mark Course Feedback as complete
Step 6: If there is a quiz, click "Start Quiz" to begin, or you can go back to all of your enrolled courses by hovering over the arrow next to your name in the top-right corner, then click "My Courses"