Introduction
UPDATE
However, you can still run YouTube on 4.4.4 by sideloading an older, compatible version. This review focuses on that process and the resulting user experience. Download Youtube Android 4.4.4
Play Store Access: Many users can no longer install or update apps directly from the Google Play Store on this OS version.
But there is a loophole: Old Versions (Legacy APKs). You need a version of YouTube built between 2018 and 2020, when KitKat was still partially supported. Introduction UPDATE However, you can still run YouTube
If no app works, the browser is your most reliable fallback. Mobile Website m.youtube.com through a browser. Compatible Browsers
If you prefer the interface of the actual app, you cannot download the latest version. You need to find an older APK file that was built for Android 4.4. But there is a loophole: Old Versions (Legacy APKs)
Note: Many users report "Error 400" or update prompts that cannot be bypassed on these old versions.