This tutorial will assume that you are already logged into the Client Area. If you are having problems doing that or don't know how, please view the tutorial named: How to log into the Client Area.
Click on the My Details link in the Client Area menu bar to edit your billing information. At the My Details screen you will see your details including name, address and phone number. In order for payments to be properly processed this information must be correct. Please confirm all the details.
The next step is to click on the change credit card details link in the menu bar (or any other required updates). You can then update your card information such as expiration date or add a new card. After making any changes click on the save changes button then click the Client Area link in the quick navigation list or in the top menu bar to return you to the Client Area.