1.  Find your gift card's claim code. If you received the gift card via email, you'll find the claim code in a message from Amazon. If you have a plastic card, scratch off the coating on the back of the card to reveal the code.

2.  Sign into “Your Account” page on Amazon.

3.  To the right of Amazon Wallet click “Apply a Gift Card to Your Account.” 

4.  Enter the gift card number in the field

5. Click on "Apply to Your Account"

6.  The funds will appear to the right