You can update your payment method by going to the Account Settings page and clicking on Edit Practice Information, as shown in the image below. This will bring up a modal where you can update your billing contact.

You can update your payment method by going to the Account Settings page and clicking on Manage Billing Information, as shown in the image below. This will bring up a modal where you can update your payment method by selecting Payment Methods, as seen in the second image below.

You can update your payment method by going to the Account Settings page and clicking on Manage Billing Information, as shown in the image below. This will bring up a modal where you can update your payment method by selecting Billing History, as seen in the second image below, thereafter you can download your invoices.