Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment. Enter the recipient's name in the "Pay to the Order Of" line.To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. A money order is a prepaid alternative to a check. No bank account is required; simply give cash to our instore team for easy processing. 1. Fill in the payee's name. Put the payee's name on the line labeled "Pay to the order of" or "Pay to. Fill in the recipient's name. 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.