Click on Add or Drop Classes under Registration Tools.
Agree to the payment agreement.
Search for classes using the search options or enter the Course Reference Number (CRN).
Register by clicking submit.
If the class is full, you can register for the waitlist. Make sure you check your student email daily as you only have 24 hours after receiving an email that a place in the class has opened for you to log on and register.
Do you have a Selective Service hold on your account?