In order to add your billing information, click Menu icon at the top right corner and select 'Billing'. Enter your details and click 'Update' button. If all validations pass, your information will be securely saved.
Open Billing page and click 'Update Billing info' button. Update information and click 'Update' button. We'll use updated billing info starting from the next payment.
Open Billing page and click 'Update Billin info' button and than click 'Delete' button. After confirmation, all your billing info will be deleted.