Q: Can I update WhatsApp to the latest version on KitKat 4.4.2? A: No, WhatsApp no longer supports KitKat 4.4.2 devices, and you won't be able to update to the latest version.
You likely have until late 2024 or mid-2025 before the last old version fully expires. Enjoy it while it lasts. Whatsapp For Kitkat 4.4 2 Download Old Version
Meta sometimes sets expiration dates on older clients to force users to upgrade. If you see this: Q: Can I update WhatsApp to the latest version on KitKat 4
Some users find that temporarily setting their phone's date back to a time when that version was current allows it to open, though this usually breaks the connection to WhatsApp servers. Better Alternatives for Older Phones Whatsapp For Kitkat 4.4 2 Download Old Version