1. Access the client area by visiting https://manage.netfish.es/clientarea.php.
2. Login using the email associated with your netfishes account. Click the Forgot Password button if you are unable to remember it.
3. Once logged in to the client area, click the Update button located in the Your Info Section.
4. From the My Account module, select Billing Information.
5. Add or update your payment method.
If you have any issues please submit a ticket here.