If you wish to update your credit card information due to expiration or payment failure, you can do so from My Account.
*Process updating PayPal payment information is also the same.
Procedure
①Login to your “My Account” and click on the “order history”
②Click on the “Details” button of the order you want to change
③Click on the “Update” button of the payment method
④Click “Enter a New Credit Card” and follow the on-screen instruction to add your new credit card information.