Open the App Store, iTunes Store, Apple Books, or Apple services page
Sign in with your Apple ID
Go to your account or payment settings
Select Add Payment Method or Manage Payments
Enter a credit card, debit card, PayPal, Apple Account balance, or other available payment method
Save the payment details
Confirm the payment method if prompted
Use Apple Pay for in-store, online, or app purchases where accepted
Pay an Apple invoice or bill through the payment link or instructions provided by Apple
Contact Apple Support if you need help updating or completing payment