Android TV 4.4.4 (KitKat) , the official YouTube for Android TV app is no longer actively supported

  1. Once the download is complete, open the downloaded APK file.
  2. Select "Install" to begin the installation process.
  3. Wait for the installation to complete.

Since the Play Store on KitKat hides this version, you must use the "Sideload" method.

Clear Cache/Data:

Navigate to Settings > Apps > YouTube and select Clear Cache and Clear Data .