If you purchased HISTORY Vault on the web from historyvault.com, sign in to access your account and choose 'Update Payment.' Once you store your new payment information, it will be applied to your next billing cycle.
If you purchased the app through Roku, Apple's App Store, or Google Play, please visit the following FAQs to get instructions on updating your payment method:
- How do I update my iTunes account?
- How do I update my Google Play account?
- How do I update my Roku account?