Check that the MasterCard gift card is activated and has enough balance
Go to Amazon and sign in to your account
Add the item you want to buy to your cart
Proceed to checkout
Select or add a new payment method
Enter the gift card number, expiration date, and CVV exactly as shown on the card
Use the billing name and address associated with the card if required
Apply the gift card as a payment method
If the card balance is less than the order total, add another payment method for the remaining amount
If Amazon does not accept the card directly, use the gift card to buy an Amazon gift card from a retailer that accepts MasterCard gift cards
Confirm the order after the payment is applied