1. Log in to your account in Exabytes Billing System here .
2. After log in to your account, press your “Hello” drop-down list and you might follow the step that shown below, go to Payment Methods.
3. When you are in Payment Methods, Choose "Add New Credit Card"
4. Lastly, after editing card information, you need to press save after completing your changes to finish the process.
If you are unable to find your CVV/CVC2 number, you can hover to “where do i find this?" and find your CVV/CVC2 number.