To use PayPal, follow these steps:

1. **Create a PayPal Account:** First, set up a PayPal account and link it to your card or bank account.

2. **Select PayPal at Checkout:** Choose PayPal as your payment method during checkout.

3. **Authorize the Payment:** A pop-up window will appear for you to enter your PayPal login details and authorize the transaction.

4. **Receive Confirmation:** Once payment is confirmed, you'll receive an email with your confirmation and order number.