Open the Wallet app on your iPhone
Tap the Add button
Choose Debit or Credit Card
Follow the on-screen steps to add your card
Verify your card with your bank if prompted
Double-click the side button on iPhone with Face ID or the Home button on iPhone with Touch ID
Authenticate with Face ID, Touch ID, or passcode
Hold your iPhone near the contactless reader
Wait for the checkmark and Done message
On Apple Watch, double-click the side button and hold the watch near the reader
On Mac or iPad, use Apple Pay at checkout when available
Use Apple Pay in apps and websites that support it
Keep your device updated and signed in to your Apple ID