- Follow FireTV's instructions to download the BritBox app on to your FireTV device or FireTV. Search for BritBox and complete the installation process.
- From your Home screen, open the BritBox app.
- If you're already a current or previous subscriber, select 'Sign In' from the top right.
- If you're a new subscriber, also select 'Sign In' from the top right.
- You'll be prompted to complete sign in or create a new account from your web browser.
- Once complete, your TV screen will refresh and you'll be in the BritBox app.
These steps are for the BritBox app for FireTV, not for subscribing or watching via Amazon Prime Video.