The official YouTube app is no longer supported on Android 4.4.2, but you can still download an older version of the app that is compatible with your device. You can find the APK file for YouTube 11.47.57 (an older version that works on Android 4.4.2) from a trusted source like APKMirror or Uptodown.
This is where the "deep piece" gets interesting. Developers on XDA-Developers and 4chan’s /g/ board have created that run on 4.4.2. youtube for android 4.4 2
: A lightweight client specifically optimized for devices with low specs and older APIs. 3. Installing Older APKs (Manual Install) How do you get YouTube on Android 4.4? : r/oldyoutubelayout The official YouTube app is no longer supported on Android 4
Traditional third-party clients like Vanced are largely discontinued or require newer Android versions, but some "Legacy" versions still exist. Developers on XDA-Developers and 4chan’s /g/ board have
Since the Play Store is largely defunct on KitKat, the most reliable way to get a functional YouTube app is to "sideload" an older version of the application using an APK file.
If you manage to get an app running, you may still face these issues: