ExtremeTech Windows 10 Now Active on 1.3 Billion Devices, Says Microsoft By Ryan Whitwam on April 29, 2021 at 9:01 am This site may earn affiliate commissions from the links on this page. Terms of use. It’s been just over a year since Microsoft announced it had hit its goal of 1 billion monthly active Windows 10 devices. It took a while to get there, but Microsoft now says Windows 10 is growing even faster, reaching a whopping 1.3 billion active installs in the last quarter. Like a number of other technology firms, Microsoft has the global pandemic to thank for its windfall. It turns out people buy more computers when they’re stuck at home.