1. In the Studio, click on your account avatar in the upper right-hand corner
2. Select 'Account' from the drop-down menu
3. Within your account info page, your billing details will be on the right-hand side
4. Select Billing details, this will take you to your billing portal
5. In the billing portal, select Payment Methods
6. To edit a current payment method, click on the existing payment method.
Jump to step 9 to add a new payment method.
7. Click on Edit Payment Method
8. Edit your payment details and click 'Update' to save.
9. Select 'Add New' to add a new payment method
10. Enter your payment details
11. Click 'Add' to save.
Note: If you wish to remove the credit card on file, or if do not see the billing details link in your account please contact us for support.