Make sure you're using an Apple device that supports Apple Pay, such as an iPhone, iPad, Apple Watch, or Mac.
Use a compatible web browser, such as Safari on your Mac, iPhone, or iPad.
During the checkout process, choose Apple Pay as your payment method.
Apple will guide you through adding a card. Follow their on-screen instructions for card setup.
Follow on-screen instructions to finalise the payment. A payment success screen will confirm your transaction.