Android TV 4.4.4 (KitKat) , the official YouTube for Android TV app is no longer actively supported
https://bit.ly/yt-tv-1311 – make sure to verify).Here is a step-by-step guide on how to download and install the latest version of YouTube on Android TV 4.4.4 using APKMirror: youtube for android tv 4.4 4 latest version download
Use a file manager on the TV to open the APK and install it. Alternative Third-Party Solutions Android TV 4
Google officially ended support for Android 4.4 KitKat in 2018. The current YouTube for Android TV app (version 2.x and above) requires at least Android 8.0 (Oreo) or higher. These newer versions use updated libraries, security protocols, and user interface components that simply do not exist on KitKat. The app will not appear in search results
The last official version of the "regular" YouTube app that supported Android 4.4 (API 19) is v14.43.55. While newer versions exist for modern TVs, this is the final "stable" release for KitKat.