In Course Navigation, click the Settings link.
Click the Course Details tab.
At the bottom of the page, click the More Options link.
Click the Let students self-enroll by sharing with them a secret URL or code checkbox.
If you want to add an enrollment link to the Course Home Page, click the Add a "Join this Course" link to the course home page checkbox.
Click the Update Course Details button.
Copy and share the provided secret URL [1].
If your institution has enabled Canvas authentication, which allows students to sign up for a Canvas account, you can also view an alternative sign-up option that includes the account URL and join code [2].