Even if the app installs, it may prompt you to "Update WhatsApp" immediately upon opening. Since your OS cannot run the update, you may be unable to use the service. different messaging app that still supports older Android versions? WhatsApp Messenger - Apps on Google Play
For those still using Android 4.4.4, several obstacles exist: whatsapp apk for android 444
in Play Store for WhatsApp. An auto-update could install a newer version that is not compatible, causing crashes. Instead, manually check for legacy updates every 2-3 months. Even if the app installs, it may prompt
If you cannot upgrade your phone's hardware, consider these alternatives: WhatsApp Web Even if the app installs