To add new books to your Kindle, you need to keep a credit or debit card on file with Amazon. This credit card becomes your Amazon "1-Click" card, so Amazon will charge any purchase you make with the "1-Click" option (including non-Kindle purchases) to the card. You can update your credit card information, like billing address or expiration date, or you can use a different credit card through your Amazon "Manage Your Kindle" page.
Log into your Amazon account.
Go to the "Manage Your Kindle" page.
Click the "Edit" link next to your credit card listed under the "Your Default 1-Click Payment Method" section.
Select a different credit card (if you have multiple cards on file with Amazon). You can also enter new credit card information under the "Pay with a new card" section.
Click the "Continue" button. The Billing Address page opens.
Select a billing address from the addresses you have on file with Amazon. You can enter a new address under the "Or enter a new billing address" section. Click the "Continue" button after you enter a new address. The Manage Your Kindle page reopens.
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