How to set up Apple Pay

Apple's new mobile payment system, Apple Pay, made its debut on Monday, Oct. 20. Apple Pay is accepted at more than 220,000 retailers across the U.S. including Whole Foods, McDonald's, Walgreens, Panera Bread, Subway and other major chains.

Click through to see how to set it up, step by step.

Read more: Apple launches Apple Pay mobile payment service

Apple Pay

Apple Pay is available for the latest generation of Apple devices: iPhone 6 and iPhone 6 Plus; iPad Air 2; iPad Mini 3; and the forthcoming Apple Watch.

Before you can use Apple Pay, you need to update your mobile operating system to iOS 8.1.

Apple Pay

The update for iOS 8.1 is free to download.

Apple Pay

Once you've updated to iOS 8.1, tap the Passbook icon on your device to enter your credit card data.

Apple Pay

Passbook can hold digital tickets, coupons and payment information. Tap where it says "Set up Apple Pay" to enter your data.

Apple Pay

Apple Pay can be used with the same card you have on file for your iTunes account, or enter a different credit or debit card.

Apple Pay

Enter your credit or debit card number into the system. For security, Apple says your card numbers are not shared with retailers when you make a purchase; a one-time code is generated instead.

Apple Pay

Apple Pay works with Visa, MasterCard and American Express as well as debit cards from major banks including Chase, WellsFargo, Citi, Bank of America and Capital One. Apple Pay is accepted at more than 220,000 retailers across the U.S.