Windows 11 now has 1 billion users. Microsoft reached this milestone during the recent holiday quarter, which means Windows 11 managed to reach 1 billion users faster than Windows 10 did nearly six years ago.
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“Windows reached a big milestone, 1 billion Windows 11 users,” Microsoft CEO Satya Nadelladuring the second quarter 2026 earnings call. “Up over 45 percent year-over-year.” Windows 11 growth in the last quarter is related to Microsoft’s end of support for Windows 10, which also helped boost Microsoft’s Windows OEM revenue.
Microsoft must have had a strong Windows 11 user count throughout December, as Windows chief Pavan Davulurirevealed at Microsoft Ignite on November 19 that "nearly a billion people" were using Windows 11.
What's interesting is that Windows 11 managed to reach 1 billion users in 1,576 days, less than the 1,706 days it took Windows 10 to reach the same milestone. Microsoft had planned to have Windows 10 on a billion devices within three years of its launch, but the timeline was extended after the cancellation of Windows Phone.
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The success of Windows 11 can be attributed to several factors. First, Microsoft has invested significantly in promoting the new operating system, offering free upgrades for Windows 10 users. In addition, increased demand for new technologies and the need for security updates have boosted the adoption of Windows 11.
Additionally, Microsoft has incorporated new features into Windows 11 that appeal to a wide range of users, from professionals to gamers. Improved performance, better power management, and enhanced security are some of the features that have won users' favor.
Microsoft's strategy to end support for Windows 10 has also played a key role in increasing the adoption of Windows 11. Users who want to stay secure and have access to the latest updates and features are forced to switch to the new operating system.
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The rapid adoption of Windows 11 also demonstrates the trust users have in Microsoft and its ability to deliver reliable and innovative products. The company continues to invest in the development and improvement of its operating system, aiming to provide the best possible experience for its users.
