How do I update my credit card information?
I have a new credit card I wish to use for payment
[Re-Titled by Moderator]
iMac 27″, macOS 10.12
Please review the information in the Apple Support article I linked below. The article explains how to add the new payment method to your Apple ID Account. Once you have added a new payment method you can remove the old card.
Add a payment method to your Apple ID - Apple Support
If you want to also add the card to your Apple Wallet app for use with Apple Pay, please follow the steps in the support article I linked below.
Set up Apple Pay - Apple Support