: You can find recent builds (like version 476.x) specifically for Android 4.4+ on APKMirror .

Android 4.4.2 operates on API Level 19. Modern Facebook apps usually require a minimum of API Level 23 (Android 6.0) or higher.

Open your file manager or downloads folder and tap on the downloaded APK file.

Downloading a Facebook APK file for Android 4.4.2 (KitKat) is

Using outdated APKs can expose your device to security vulnerabilities because they lack the critical security updates found in newer versions [18]. Where to Download Safely

If you prefer the full app, you must download an older version (typically version or earlier).

Starting in October 2020, Facebook officially ended support for Android 4.4.2. This means: