You should make sure that both your smartphone and computer have an internet connection and that the latest versions of WhatsApp are installed. Voice and video calls aren't supported on WhatsApp Web. You'll also need the latest version of the WhatsApp desktop apps for Windows or Mac (as well as on your smartphone). Similarly, on Mac, WhatsApp desktop calling is supported on macOS 10.13 High Sierra or newer versions. To use desktop calling on WhatsApp for Windows, you should update to Windows 10 64-bit version 1903 or newer versions. What You Need to Make WhatsApp Calls on DesktopĮven though you'll be able to make WhatsApp calls on desktop, there are some limitations that you should be aware of. How to Make WhatsApp Voice and Video Calls on Windows and Mac.What You Need to Make WhatsApp Calls on Desktop.