You'll be able to download the WhatsApp setup file from here. It's on the right side of the page, below the "Download WhatsApp for Mac or Windows PC" heading. Clicking this button will prompt your setup file to download.  If you're downloading on a Mac, this button will say "Download for Mac OS X", whereas it will say "Download for Windows" on a PC. You may need to choose a download location and click OK to begin downloading your file depending on your browser. This process should only take a couple minutes. Once your file has completely downloaded, you can proceed with installing WhatsApp.
WhatsApp download page ग्रीन डाउनलोड बटन पर क्लिक करें: डाउनलोडिंग पूर्ण होने का इंतज़ार करें: