Hi! For full access to courses you'll need to take a minute to create a new account for yourself on this web site. Each of the individual courses may also have a one-time "enrollment key", which you won't need until later. Here are the steps:

1. Enter the registration code you were provided.
2. Fill out the New Account form with your details.
3. If your registration code is valid, your account will be confirmed and you will be logged in.
4. Now, select the course you want to participate in.
5. If you are prompted for an "enrollment key" - use the one that your teacher has given you. This will "enroll" you in the course.
6. You can now access the full course. From now on you will only need to enter your personal username and password (in the form on this page) to log in and access any course you have enrolled in.