To apply a coupon code:
Step 1: Click the "Billing Details" tab under the "My Account" menu
Step 2: Scroll down to find the "Redeem a Coupon" section
Step 3: Enter the coupon code in the text box
Step 4: Click "Apply"
If applicable, your coupon will be applied towards your next order. You'll be able to review this discount on the order invoice once your shopping window has closed. For more instructions on how to make sure a coupon applied, click here.