You can download the "NewPipe Legacy" APK from their official GitHub page. For KitKat, this is arguably the fastest experience.
The YouTube APK is a file that contains the installation files for the YouTube app. It allows users to manually install the app on their Android devices, bypassing the Google Play Store. The APK file can be downloaded from various sources online, but users need to be cautious when downloading from third-party websites to avoid malware and other security risks. youtube apk for android 4.4 2