The Google Play Store is useless for this specific query. Modern versions of WhatsApp require a minimum of Android 5.0 (Lollipop) or higher. If you try to download WhatsApp from the Play Store on a KitKat device, you will simply get an "Incompatible" error.
If you are determined to try, follow this plan. If it fails, proceed directly to the alternatives. whatsapp for android 442 uptodown link
via a mobile browser, though performance on older devices is often poor and may require "Desktop Site" mode to be enabled. WhatsApp Lite/Web Wrappers : Tools like The Google Play Store is useless for this specific query
If you want to continue using WhatsApp reliably and securely, the only real solution is to use a device running at least or newer. You might consider: If you are determined to try, follow this plan
The version you install will be frozen in time. You will not receive any new features like Communities, Avatars, or enhanced privacy controls. More importantly, you will not receive critical security patches . This makes your device and your conversations vulnerable to exploits that have been fixed in newer versions.
Uptodown is a reputable source, but the app itself is the risk.
Do click the large, green "Latest Version" button (this will download the current version, which requires Android 5.0+).