I need to update my billingUpdated 6 months ago

To update your billing information for one-time orders, simply add the updated payment info during checkout. 

To update billing on a subscription, first login to your store account, then select "Click here to manage your subscriptions".

From there, select "View Details", then locate "Payment Details" and select "Update." Enter your preferred payment and click "Update Card" to have future orders be charged to that payment method.