To use Coupon Codes in Royal Discount shopping, you only need to do the following three steps: 1. Log in or create a new account on royaldiscount.com. Select the Royal Discount products you like and add them to the shopping cart; 2. Check the product you want to purchase at Royal Discount; 3. Place the order, click on the Royal Discount Coupon Codes you got on the checkout page. Select the Royal Discount Promo Codes you want to use and just complete the payment.