Be sure to use the "Review Answers" button to VERIFY THE ACCURACY OF YOUR ENTIRES before submitting (e.g. misspelled name, email, or the wrong fee in the "total" line. DO NOT SKIP THIS STEP; it is there to prevent typos and easily correctable mistakes, this can avoid having an invalid registration REVERSED.
Payments, required for registration, are processed through PayPal in the following window after clicking "register". A PayPal account is NOT required; when the payment window appears, scroll down to choose the "pay with debit or credit card" option.