If you absolutely must have a native app experience and your hardware supports it, you have two technical options:
If you absolutely need a standalone app with notifications, you can run the Android version of WhatsApp on your Mac. This requires an emulator. free download whatsapp for mac os x 10.6.8
or later may allow for better browser compatibility, though even that is now largely unsupported by the official app. Android Emulators : Older versions of software like BlueStacks If you absolutely must have a native app
WhatsApp Web is a browser-based interface that requires zero installation. However, Safari on 10.6.8 is version 5—which is too old. You must install a third-party browser that still supports Snow Leopard. Android Emulators : Older versions of software like
If you are still holding onto a machine running Mac OS X 10.6.8 (Snow Leopard), you likely value stability and perhaps a bit of vintage computing. However, trying to run modern communication apps on an operating system from 2009 presents a significant challenge.