To add or update a payment method in Your Account: 

1. Go to Your Account and select Payment options. 

2. In the Payment options section: 

 - To add a payment method, select Add a Card or Add a personal checking account. 

 - To edit a payment method, open your payment option and select Edit . 

 - Updating a payment method in Your Account will not change the payment method on any open orders you have placed. If you need to change the payment method on an order that has not entered the shipping process, go to Change Order Information     - if they're registered as credit cards. Contact your plan administrator or employer for more information.