Open YouTube App on your Smart TV, Roku, Fire Stick, PlayStation, Xbox, or Apple TV.
Get Activation Code – Each device generates a unique code.
Visit yt.be/activate – On your phone or computer, go to the activation site.
Enter Code – Type the code for the device you’re linking.
Repeat for other devices – Each device requires its own activation step.
Multiple accounts – You can sign in with different Google accounts on different devices.
Device limit – YouTube doesn’t restrict the number of devices you can activate, but some subscription services (like YouTube TV) may limit simultaneous streams.
Guest mode – Visitors can watch without affecting your recommendations.
Sync across devices – Once activated, your subscriptions, playlists, and history sync everywhere.