If you have a coupon code, please follow the steps below to use it.
1. Click the "Add to Cart" button on the page for the product you wish to buy, then click the "View Cart" button.
2. Click the "Enter Coupon Code" button.
3. Enter your coupon code, then click the "Apply" button.
4. Check to make sure that your coupon has been applied. Click the "Checkout" button to continue to the payment screen.