Here are instructions on how to change your card or PayPal on file. 

Log in to and click the blue "Manage" button next to your license in the bottom right-hand corner of the page. That will bring up your payment information. 

At the bottom left of that page, you will see a link to click "Change Credit Card" or "Change PayPal source".

 'Change PayPal source' only provides an option to change the payment source connected to your PayPal account. Please contact if you are looking to switch to a different PayPal account.

Video Tutorial