This tutorial is to show you how to activate your Youtube app on your Xbox 360 and link it with your Youtube account. Download the Youtube app if you haven't already. Just move to the apps blade. When it is done downloading launch the app and then navigate to "myYoutube" Click "get started" and a code should appare. On your computer (or smart phone) go to "youtube.com/activate" and type in your code displayed on the Xbox. Watch Youtube videos because you are now done. You can now view "Watch Later", "Recommendations", and your playlists.