Using the desktop app can help you avoid all three of those issues. It drains your battery, uses your data, and wastes your time. Nothing is more annoying than having to take your phone out of your pocket every few minutes to see what WhatsApp messages you missed. You Need WhatsApp for Desktop and Here’s Why. WhatsApp is now synced to your desktop.A scanner will open on your phone - point it at the computer and your WhatsApp account will instantly open on your screen.On your phone app, open the QR scanner by tapping the menu button > and then choosing WhatsApp Web.WhatsApp will instantly install on your computer and open the app.Double-click or Run the file when it finishes downloading to your computer.In my case, it’s a 64-BIT file for Windows. It will recognize your operating system and offer the correct file for you. This will take you to the official WhatsApp download page. Click the DOWNLOAD button on the sidebar.How to Download and Setup WhatsApp for Desktop While WhatsApp for Desktop lacks some of the advanced WhatsApp features, such as video and voice calling, it’s a great addition – especially if you spend most of your day in front of a computer. However, the desktop app is not a standalone app and only works if you have the mobile app as well. You can save precious data by downloading WhatsApp for Desktop. Best Parental Control for iPhone & iPad.IPVanish VPN vs Private Internet Access.