To register for a course, a user needs an apigee login. The should go to: http://academy.apigee.com/login. This will prompt them to log in with their Apigee ID. If they do not have one, it will take them to a screen to create one. They will then be directed back to the academy homepage. They should go to elearning and then foundation training (http://academy.apigee.com/courses/elearning/foundation_training) and click on the orange button that says "continue to class" as highlighted in the picture below. They will then access that class and any other they want to take.