1.Select the product: On the website, select the product you like and add it to the shopping cart.2.Checkout: Add the items to your cart and proceed to checkout, select PayPal as the payment method.3.Log in to PayPal: If you have a PayPal account, log in. If not, you need to register first.4.Choose the installment payment option: After logging in to PayPal, select the installment payment option and terms.5.Complete the order: Confirm your installment payment option, enter any other necessary information, and complete the order.6.Accept the terms: Before confirming the order, carefully read and accept the terms and conditions of the PayPal installment payment.7.Confirm the order: The final step is to confirm the order, and your order will be submitted, and payment will be made according to the installment payment option.