When it comes to wanting to access your live classes, it is actually quite simple! All you have to do, on a logged in computer (with the account logged into the account with which you signed up for the class you want to access) is hover over the "Live Classes" menu icon, and then select "Forums." You can also click here.
Now, you will see a page with a list of all of your classes. It will look like this:
Simply open the class which you want and then see your instructor's posts with the zoom link here!