This requires a technical distinction. You cannot run the absolute latest WhatsApp version (e.g., v2.25.xx) that a Galaxy S24 uses. However, WhatsApp maintains a separate branch for Android 4.1 to 4.4.4.
In the search for a working version, users often stumble upon websites claiming to host a "WhatsApp APK for Android 4.4.2 latest version working 100%."
If you are still holding onto a classic device running Android 4.4.2 KitKat—like the Samsung Galaxy S4, HTC One M7, or Sony Xperia Z1—you know the struggle of seeing the dreaded “Your version is no longer supported” notification.
Even if you successfully find an APK file that was the "last supported version" for Android 4.4.2 and manage to install it, the application will likely fail to function. This is because WhatsApp operates on a client-server model.
Troubleshooting
By updating to the latest version of WhatsApp APK on your Android 4.4.2 device, you can ensure that you have the latest features, security patches, and bug fixes.