If you still wish to attempt a download for an older device, here are the key details: Status and Compatibility Official Support Status
For users still utilizing devices on this OS, the struggle is real. The Google Play Store often flags devices as "incompatible" with the latest app versions. While the official WhatsApp usually maintains a baseline compatibility for older devices, users often miss out on:
If the risks above make you uncomfortable, you have better options.
On your Android 4.4.2 device: