If you try to install the latest APK (version 2.24.x or higher), you will receive a "Parse Error" or an "App not installed" message because the code libraries are incompatible.
As a long-term solution, you must accept that . whatsapp for android 4.4.2
Official support for WhatsApp on Android 4.4.2 (KitKat) ended in October 2023. To continue using the app on this version, you must use unofficial workarounds, as the Google Play Store will no longer allow a standard installation. WhatsApp Help Center How to Use WhatsApp on Android 4.4.2 If you try to install the latest APK (version 2