Fill in the name of the payee. Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment.Fill in the recipient's name. Fill out the money order at the counter with a retail associate. Pay the dollar value of the money order plus the issuing fee. Fill out your money order using a black or blue pen and print clearly. Because money orders are prepaid, you'll need to pay for yours upfront. Fill in the name of the recipient in the "pay to" section.