Update credit card details for automatic payments
Click the Control Panel icon to log on.
Enter your email and password, and click Log in.
Click the menu icon in the upper right corner.
Select Subscriptions in the menu.
Click Edit next to the subscription you want to edit.
Make sure that the checkbox "Credit/debit card (MasterCard and VISA)" is ticked and click Add new card.
Enter your credit card details and click Submit. Your credit card details for the automatic renewal payment have now been updated.
Note: If there is an outstanding invoice on your order, you must pay it before you can update your credit card details.