Because you are installing an app outside of the official Google Play Store, Android requires you to manually authorize the installation. Follow these exact steps on your Android 4.4.2 device: Step 1: Enable Unknown Sources Open the menu on your device.
While an old APK can work, it will lack new features, emojis, and may have security vulnerabilities. Here are better ways to use Facebook on a 4.4.2 device: A. Use Facebook Lite Facebook Apk For Android 4.4.2
: Before installing, you must enable "Install from Unknown Sources" in your device's security settings. Because you are installing an app outside of