Add items to your bag and view your bag.
Click the "apply promo" button. Enter your code and select "apply." If your discount qualifies, it will be displayed in your shopping bag and in your order summary throughout the checkout process.
Proceed to checkout to complete your order.
If you did not apply the code when you were viewing your bag, you can also apply a promo code during checkout. In the payment section, check the "use promo code" box. Then enter your promo code and select "apply."