To change your payment/credit card information, please follow these steps:
1. On the top right corner of the page, click on your Username
2. Click on Settings
3. On the Settings page, you will see a side bar on the left hand side of the page. Click on the Billing tab
4. On the Billing page, click on the Edit link
5. A pop-up will appear where you will input your card information, and the first and last name associated with the card. Click Save to update your information.