How do you change a credit card when iTunes won't accept it?

1. unch iTunes on your Mac.
2. Click on Accounts in the app menu in the Menu Bar at the top of the screen.
3. Click on View My Account.
4. Sign in with your Apple ID and password.
5. Click Edit next to Payment Type to change your credit card information.
6. Click on Edit next to your billing address to change your address.
7. Click on Change Country or Region to change the country or region your App Store is located.

Note:

You may have to cancel your Apple Music subscription, enter a new billing address, or change your credit card information if you change your App Store's country or region.