Hi @JJWillard70,
Welcome, and thanks for your first post in the Roku Community!
To see the list of your subscriptions, you can log in to your Roku account here. Click 'Manage your subscriptions and choose History Vault, edit, or update your subscription.
You can check out our support article that includes managing your subscription: How to review your purchase history and charges to your Roku account.
In addition, you can purchase or upgrade channels on Roku via the Channel Store.
Let us know if there's anything else we can further assist you with aside from this.
All the best,
Chel
Jecheal R.
Roku Community Moderator