If you have received an enrolment key to join the course, please follow the instructions below.
You should first be logged in to this site. Create an account for yourself on this site (if you don't have one) or log in with your existing account. Click the 'Log in' link on the top right hand corner to proceed.
After you have logged in with your account, come back to this page, that is, the page you are reading now. Bookmark this page in your browser to come back to it easily. You will see a field near the bottom of the page to enter an enrolment key. If you don't see the enrolment key field, make sure you are on the course information page.
Enter the key you have received in the welcome email and click 'Enrol me'.
Copy the key carefully and paste it in the enrolment key field. Make sure there are no spaces or other characters.