Quick answer
Open YouTube on your Fire TV, choose Sign in and Sign in with your phone, enter the code at yt.be/activate and choose Allow.
Install YouTube on Fire TV
- Search from the home screen.Choose Find (the magnifying glass) and search for YouTube, or say "YouTube" to Alexa.
- Get the app.Select YouTube, then Get or Download. Open it when it finishes.
Sign in to YouTube on Fire TV
- Open the side menu in YouTube and select Sign in.
- Choose Sign in with your phone to see the code and QR code.
- Enter the code at yt.be/activate on your phone or computer.
- Allow access.Your Fire TV signs in a few seconds later.
Opens Google's official page in a new tab. Type your code there, never on any other site.
Fire TV problems and fixes
App crashes or shows an error at sign-in
- Clear the cache: Settings → Applications → Manage Installed Applications → YouTube → Clear cache.
- Still failing? In the same place choose Clear data, then sign in again.
- Update the stick: Settings → My Fire TV → About → Check for Updates.
Fire TV keeps losing Wi-Fi
A weak signal can stop the sign-in from finishing. Move the router closer or use the HDMI extender that came with the stick, then restart with Settings → My Fire TV → Restart.
Sign out or switch account
In YouTube, open the menu, select your profile picture, choose the account and select Sign out. Sign out from your phone
Questions people ask
Is yt.be/activate the same as amazon.com/code?
No. amazon.com/code signs the Fire TV itself, or Amazon apps, in to your Amazon account. yt.be/activate signs the YouTube app in to your Google account.
How do I clear the YouTube cache on Fire TV?
Settings → Applications → Manage Installed Applications → YouTube → Clear cache. Clear data also works but signs you out.