How do I set up Apple Pay?

To get started with Apple Pay® on your iPhone: 

1. Before you start you will need to know:
   • your card details including the card number, CVV and expiry date.
   • if your iPhone is compatible with Apple Pay. You can check if your phone is compatible here.
2. Open the Wallet app on your iPhone and tap the "+" sign, then follow the prompts to add your card.
3. Read and agree to the terms and conditions
4. We may ask to send you a verification code for security purposes. You can receive this code via text or email, you can choose.

You can find more useful information here.