I understand you're looking for the official download. Here's the correct and safe way to get it:
Here is the information regarding downloading WhatsApp for Windows 10 64-bit. whatsapp download for windows 10 64-bit
Click the button to get the .exe installer file. I understand you're looking for the official download
Locate the downloaded file in your folder and double-click it to run the installer. The app will install automatically and open a login screen. Setting Up Your Account whatsapp download for windows 10 64-bit
