: Many universities link Turnitin directly to their student portals. In these cases, you won't need a manual ID or key; you simply upload assignments directly through your school's website. Ask the Library
When you submit a paper to Turnitin through a random, publicly available class ID, you have no control over the assignment settings. Instructors configure assignments to either save papers to the standard Turnitin repository or to keep them un-saved (no repository). updated free turnitin class id and enrollment key