Hi @dlmarie5,
Thanks for posting in the Roku Community!
Subscriptions purchased through Roku for HBO Max, have you create a separate account during the sign-up process? Use this account's username and password to access your subscription on a participating partner's website or mobile app, just as you would when signing in to the subscription on your Roku streaming device.
This separate account is managed directly by the provider. Please HBO Max if you need help with this account's username and password.
Please let us know if there's anything else we can help you with.
Thanks,
Mary