Valve’s November 2025 Steam Hardware & Software Survey landed with a clear signal: Windows 11 now runs on roughly 65.6% of all Steam clients, a sharp jump that cements its dominance among PC gamers. At the same time, Linux usage reached 3.2%—its highest share ever on the platform—while NVIDIA’s RTX 4060 Laptop GPU claimed the top hardware spot.

The Numbers That Shifted in November

Windows 11’s 65.6% share marks a sizable month-over-month increase and the largest single-month movement among mainstream operating systems in recent surveys. That gain came mostly at the expense of Windows 10, which fell to about 29.1%. Combined, Windows versions still command over 94% of the Steam audience, but the internal balance has decisively tipped toward Microsoft’s latest OS.

Linux’s 3.2% share, while a fraction of the whole, represents steady, incremental growth. MacOS dipped slightly to 2.0%, rounding out the non-Windows segment.

On the hardware side, the RTX 4060 Laptop GPU edged out the desktop RTX 3060 for the top individual GPU slot, at just over 4.2% versus roughly 4.16%. The RTX 3050 remained a common entry-level choice at about 2.96%. NVIDIA continues to dominate the discrete GPU charts inside the Steam sample, with AMD and Intel trailing.

These shifts reflect not just software preferences but also hardware refresh cycles. Laptop GPU SKUs can temporarily inflate when major OEM releases hit the channel, which explains why a midrange mobile part now sits at the very top.

Why Gamers, Developers, and IT Should Pay Attention

The Steam survey is valuable precisely because it’s gamer-centric. It over-indexes on enthusiasts who buy new hardware more often, making it a leading indicator for where the broader PC ecosystem is headed. But its limitations matter too: it’s opt-in, voluntary, and doesn’t represent enterprise fleets or older, less-upgraded systems. So while the trends are real, they don’t paint a complete picture of the entire desktop market.

For gamers, the message is straightforward. If you want the latest gaming features—DirectStorage for faster load times, Auto HDR for better visuals, and ongoing scheduler optimizations that improve CPU performance on hybrid architectures—Windows 11 is now the default. The survey confirms that most of your peers have already made the jump. It also signals that buying a new prebuilt gaming rig or laptop will almost certainly ship with Windows 11 preinstalled.

For game developers and QA teams, the data underline a bifurcated landscape. Most players are on Windows 11, but nearly a third still run Windows 10. That means support and testing matrices must cover both for compatibility, especially for anti-cheat systems that behave differently across OS versions. The small but growing Linux contingent, fueled by Steam Deck and Valve’s Proton compatibility layer, also demands attention: while still niche, it’s large enough that ignoring it risks alienating a vocal, dedicated player base.

For IT and enterprise teams, the survey is not a direct telemetry source, but the strategy signal is loud. Windows 10’s end of support has already passed, leaving millions of unpatched consumer and small business machines vulnerable. Organizations that haven’t begun migrating risk security gaps and compliance failures. Even if your corporate environment doesn’t reflect Steam’s numbers, the urgency to audit installed bases and prioritize Windows 11 rollouts is real.

How We Got Here: The End of Windows 10 Support and Other Catalysts

Windows 11’s surge on Steam isn’t an accident—it’s the culmination of several intersecting forces.

The end-of-support deadline. With mainstream security updates for Windows 10 ending in October 2025 (for most editions), millions of users faced a stark choice: upgrade to Windows 11 or live without patches. Many opted to upgrade rather than risk vulnerabilities. Some replaced aging machines outright, which pushed newer hardware—and Windows 11—into the Steam sample.

OEM refresh cycles. New laptops and desktops now ship exclusively with Windows 11. The popularity of RTX 40-series gaming notebooks, which bundle Windows 11, inflated both the OS share and the laptop GPU rankings. That’s why the RTX 4060 Laptop GPU topped the chart—a reflection of what’s selling, not necessarily what enthusiasts choose to build.

Gaming-specific features. Microsoft’s gaming-focused enhancements, including DirectStorage, Auto HDR, and improved CPU scheduling for Intel’s hybrid architectures, gave Windows 11 tangible technical appeal. While not everyone prioritizes these, they’ve helped tip fence-sitters toward upgrading.

Linux’s quiet rise. Meanwhile, Linux’s climb to 3.2% didn’t happen in a vacuum. The Steam Deck ships with a Linux-based SteamOS, and its growing user base automatically feeds the Linux share. Valve’s Proton translation layer has matured to the point that thousands of Windows games run seamlessly, lowering the barrier for users curious about leaving Windows or dual-booting. Some Windows 10 holdouts, frustrated by Windows 11’s strict hardware requirements (TPM 2.0, Secure Boot, modern CPU), turned to Linux as a viable alternative—especially for single-player and indie titles that don’t require kernel-level anti-cheat.

What to Do Now: A Practical Game Plan

The November survey numbers offer more than trivia; they point to concrete actions for different audiences.

If you’re a gamer on Windows 10: Check if your hardware is eligible for the free Windows 11 upgrade using Microsoft’s PC Health Check tool. If it qualifies, back up your data, create a system image, and perform the upgrade. If your machine is too old, consider whether an Extended Security Update (ESU) program is available for your edition—these offer a temporary paid lifeline. Alternatively, start budgeting for a new PC that ships with Windows 11. The RTX 4060 laptop and desktop SKUs are solid midrange performers that will run most modern titles at 1080p or 1440p smoothly.

If you’re curious about Linux: Test drive a gaming-focused distribution like SteamOS (via HoloISO) or a user-friendly distro with Proton support. Make a list of your must-play games and check their compatibility on ProtonDB. Be realistic: some multiplayer titles with invasive anti-cheat still don’t work, so dual-booting may remain necessary.

If you’re a game developer or QA lead: Expand your compatibility testing to cover both Windows 10 and Windows 11 for at least the next 12 months. Monitor anti-cheat behavior across versions, and start planning for Linux support, even if only as a beta channel. The Steam Deck’s continued adoption means Linux-native or Proton-verified builds can unlock a loyal, growing user segment.

If you’re in enterprise IT: Treat the Steam survey as a wake-up call, not a benchmark. The consumer migration is accelerating, and your unpatched Windows 10 fleet is becoming a larger target. Auditing installed base, prioritizing migration by business impact, and budgeting for hardware refresh where Windows 11 compatibility requires it are immediate priorities.

What to Watch in 2026

The next six to twelve months will refine these trends. Windows 11 adoption on Steam will likely continue to rise, but the pace should slow as the most willing upgraders have already moved. Linux growth will be gradual, propelled by Steam Deck revisions, Proton improvements, and perhaps new handhelds, but it won’t threaten Windows’ dominance. GPU rankings will jostle as new midrange cards launch and OEMs refresh their lineups.

For those betting on a wholesale shift away from Windows in gaming, the survey tempers expectations: even with its record high, Linux remains at just over 3%. The real story is that Windows 11 has become the unwavering standard for PC gaming, while the echoes of Windows 10’s sunset and the rise of alternative platforms introduce new complexities that gamers, developers, and IT must navigate.