TL;DR: Windows 11 has become the leading operating system for PC gaming on Steam, with 59.8% market share, and has recently surpassed Windows 10 globally.

Windows 10 64-bit is still the most-used OS on Steam at 63.4%. However, Windows 11 is already up to 30% and gaining. Back in November 2022, Windows 11 was sitting at 15%, with Windows 10 at 71%.

At the same time, Windows 11—launched two years ago on Oct. 5, 2021—is seemingly stuck in the 20% range, with its market share barely increasing for almost all of 2023.

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As for market share, recent statistics sourced from StatCounter indicate Windows 11 accounted for 35.5% of the Windows desktop market throughout October.

According to Statcounter (via Neowin), as of March 2024, Windows 10 accounts for just over 69% of desktop market share worldwide. That's an increase of nearly two points from February.

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As of the end of November 2024, Windows 10's market share increased from 60.95 percent to 61.83 percent. Despite being nearly 10 years old, the operating system is seeing unexpected, albeit modest ...