If you must maintain communication on a device running Android 4.4.4, consider the following alternatives rather than forcing an obsolete WhatsApp installation:
: The simplest solution is to switch to a device running at least Android 5.0 or higher. whatsapp apkpure android 4.4.4
WhatsApp APKPure Android 4.4.4: Compatibility, Realities, and Alternatives If you must maintain communication on a device