Your instructor has most likely provided you with instructions on accessing your course and this information will contain your course's unique URL. Go to that URL in your browser.
You have two options for registering.
If you have never used LaunchPad before or you aren't sure, you will need to create an account using the box on the left.
If you have an existing LaunchPad account, sign in to it using the box on the right.
Check the accuracy of this information and “Join Course.” You will automatically receive 14 days free access.
By clicking Continue, you will be taken to your course. Note the counter in the banner at the top to let you know how much time is left in your free trial. When you are ready to Purchase Access or Enter Access Code you can click one of those buttons at the top of the page. For further instructions, see the help article Renew access to a course before your access expires.