How do I change my credit card details? Jenna Boccia April 01, 2021 13:55 Updated When your credit card details are outdated, or you want to add another card, you can easily do so by following these steps: Click on Account and then go to Billing. Click on Update payment method. Click on Change. Change the details and click on Modify. Your credit card is entirely up to date again. Comments 0 comments Please sign in to leave a comment.