Login to Canvas https://courses.missouri.edu/

Enter the course using i>clicker

Look for the i>clicker Registration link inside your Canvas course module:

Click on the link, and click "Courses" at the top left:

Click the "Hamburger" button on the top left:

Click on "Profile":

Click on the "Edit Account" button on the top right:

Enter your PAWPRINT (i.e. abc123) in the Student ID field:

Click on Save.