No intentes instalar versiones nuevas (2.24 o superior) porque no abrirán o mostrarán error "Paquete incompatible".
To use WhatsApp Messenger currently, your device must meet the following criteria from the WhatsApp Help Center Android 5.0 or newer. Capabilities: whatsapp para android 4.4.2 4 apk
If you still need an APK for an older device, here is a post draft with the necessary guidance: 📱 How to Get WhatsApp for Android 4.4.2 (KitKat) No intentes instalar versiones nuevas (2
If you are tech-savvy, you can look for custom firmware like LineageOS on forums like XDA Developers to upgrade your phone's software version manually. whatsapp para android 4.4.2 4 apk
If you'd like, I can help you check if your specific phone model has a available or look for alternative messaging apps that still support older Android versions.