There are two ways to update your credit card details:
From the Home screen
1. Click Home from the top menu.
2. From your home screen, go to Your Account section and then click Update saved credit card.
3. Once you have clicked on that link, you will be redirected to a page where you can update your credit card information or remove a saved card.
1. From the Checkout window, click the Change Credit Card link.
2. You will then be redirected to a page where you can enter your new credit card details. Click the Update Payment Card button when you are done.