Windows 10 is Now in Use on Over 900 Million Devices

Posted on September 24, 2019 by Paul Thurrott in Windows 10 with 23 Comments

Microsoft revealed today that there are now over 900 million devices running Windows 10, a gain of 100 million devices in six months. Which means that, if this growth holds, Windows 10 will be active on over one billion devices by the end of the first quarter of 2020.

“Windows 10 is on more than 900 million devices!” Microsoft’s Yusuf Mehdi tweeted today, pointing to the Microsoft by the Numbers website. “Thanks to our customers, we added more new Windows 10 devices in the last 12 months than ever before. From PCs to HoloLens to Xbox to Surface Hub, Windows continues to power innovation—with more to come next week!”

As you may recall, Microsoft officially hit the 800 million milestone in March, and I exclusively revealed in May that the number had then jumped to 825 million.  The last official count before that—which was inflated by Terry Myerson counting virtual machine installs, as it turns out—was 600 million, in November 2017.

Mehdi’s claim that Windows 10 usage growth has been stronger in the past year than ever before is interesting, in part because it’s not possible to fact check it: Microsoft’s 2018 numbers were, again, artificially inflated. But 100 million new devices in six months works out to 16.7 million new devices per month, well under the 20 million per month average that Microsoft used to report for Windows 7.

But it makes sense: With Windows 7 finally heading to its support end of life, businesses have surely started upgrading and migrating to Windows 10 in ever bigger numbers. And if this growth holds, we could see one billion active devices even sooner than March 2020.

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