Follow these steps if you bought your kit at your school's bookstore and need to register it to unlock your course content in your Learning Management System (e.g., Blackboard, Canvas, D2L, Moodle, etc.).
It is located on the underside of the sticker label, beneath the outer cardboard security sleeve.
Alternatively, some newer kits have the kit code on a sticker on the inside lid flap.
If your kit has a Digital Content List available, the box lid sticker will instead look like this: