https://lolade.blog/2018/07/16/how-to-use-whatsapp-on-your-pc-other-than-via-whatsapp-web/

There is an option to use WhatsApp from your desktop without a browser by downloading the platform via the Apple App Store or the Microsoft Store. Readers must note that WhatsApp can only be installed on Windows computer if the operating system is Windows 8.1 (or higher) or Mac OSX 10.9 (or newer). Here is how you can download the app:
To install on Windows 8.1+
1. Open any internet browser -- Chrome, Firefox, Opera, Edge -- on your PC
2. Copy and paste this URL -- https://www.whatsapp.com/download
3. From here, click on download for Windows (64-Bit)
4. Once the download is complete, open WhatsApp.exe
5. Wait for WhatsApp to install on your computer.
6. Once the install is complete, you will see a QR code on the screen of your PC.
7. Open WhatsApp on your smartphone and go to WhatsApp Web.
8. Scan the QR code to login
To install on Mac OSX 10.9+
1. Open any internet browser -- Chrome, Firefox, Opera, Edge -- on your PC
2. Copy and paste this URL -- https://www.whatsapp.com/download
3. From here, click on Download for Mac OS X 10.9 and higher
4. Once the download is complete, open the zip file to run WhatsApp.app.
5. On your first install, the application will prompt if you would like to add WhatsApp to your Applications folder and your desktop dock.
6. When the install is complete, launch WhatsApp on your computer and scan the QR code to log in.
7. Alternatively, you may download and install it via the Apple App Store.

click here https://lolade.blog/2018/07/16/how-to-use-whatsapp-on-your-pc-other-than-via-whatsapp-web/ for more Tech Review