Billing information can be updated under the Billing tab in your Icon dashboard, accessible through the profile icon in the top right-hand corner of your screen.
Updating Payment Info
Log in to your Icon dashboard.
Click the profile icon in the top right-hand corner.
Select Billing from the dropdown.
Add your new payment method.
Be sure to set the new method as your default payment method.
Your billing address and other company details can also be updated from this same page.