Instructions
Step 1:
From the Dashboard scroll to the bottom and click on the Acct# and name (this is the fastest).
Step 2:
Once here, you will select Change Payment Method close to the top of the page
Step 3:
Here you will be brought to a new page where you will enter your credit card information and select Change Payment Method.
Step 4:
Once that is done you will be brought back to your billing page, and you will now see the card on file as well as Pay Now buttons.