Enter the 16-digit number found on the back of your card or in your digital delivery email.
Click The card balance will be deducted from your order total. If your gift card doesn't cover the full amount, you can enter a second gift card or use a credit card to pay the remaining balance. Once everything looks good, hit "Place Your Order." Pro-Tips: how to use best buy gift cards online
Look for the section labeled (it is usually near the credit card options). Click "Enter a Gift Card" to reveal two fields: Enter the 16-digit number found on the back