Hi! For full access to courses you'll need to take a minute to create a new account.Here are the steps:

• Fill out the New Account form with your details.
• An email will be immediately sent to your email address. Read your
  email, and click on the web link it contains.
• Your account will be confirmed and you will be logged in.
• Now, select the course you want to participate in.
• To enroll in a "free course", just click the "enroll me" button. For
  paid courses, click the "pay via PayPal" button to buy online and enroll
  automatically.
  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.