human
How do I change my iTunes payment method on PC or Mac?
assistant
Change Your iTunes Payment Method on PC or Mac
1. Open iTunes.
2. Click the Account tab.
3. Click View my account.
4. Sign in to your Apple ID.
5. Click Edit next to the payment method you wish to edit.
6. Select the payment method type.
7. Fill out the payment method information.
8. Click Done.