Once you log in, you should see an “Account” tab. Click on “My Courses” under the “Account” tab

You should see all your enrolled courses. Click on any of the courses. 

When you get to the course, scrolled to the bottom of the page. Under Course Content, there should be a lesson with the zoom link. Example highlighted in red box ===>

You will find the zoom link embedded in the lesson page. Example shown on the right.