Before you can register for fall or spring classes, you need to complete preregistration for that semester.

Access Preregistration

Once a semester's classes are posted in CU Boulder Class Search, you can complete your preregistration items.

  1. Log in to Buff Portal.
  2. On the registration checklist card, select "Complete preregistration."
  3. Select "Continue."
  4. If prompted, select the term you're enrolling in, then select "Continue."
  5. You should now be on the first preregistration page.