1. Go to the course you want to enroll in and log in (or sign up for an account if you haven't already done so).

2. Once you have logged in, you should see a button that says "Enroll me in this course" near the top of the page:

3. Confirm that you want to enroll in the course by clicking the "Enroll me" button:

That's it! You should be taken back to the course page and you're ready to begin.

If the button doesn't work for whatever reason, try this:

Look in the left sidebar, under the section Administration >>Course Administration and select the link Enroll me in this course. Note: if you are viewing the course on a mobile device, the administration and enrollment links will be at the bottom of the page.

Note that withdrawing from a course may remove your access to grades and progress data, so you may only wish to withdraw from a course if you have not yet progressed very far or you are sure that you do not want to continue.

When logged in at the course website, the link that previously allowed you to enroll will now allow you to remove the course from your active list; you will see the words "Unenrol me from [course]":