Valve’s November 2025 Steam Hardware & Software Survey paints a striking picture: 65.59% of Steam users now run Windows 11, a 2.02 percentage point leap from October. Yet Windows 10 clings to 29.06%, stubbornly persistent months after Microsoft’s October 14 end-of-support deadline. For everyday gamers, IT pros, and developers, these numbers are more than trivia—they signal a fractured landscape where security risks, hardware roadblocks, and user sentiment collide.

What the Latest Steam Numbers Reveal

Beyond the headline OS shares, the survey exposes the platform’s gamer-centric tilt. All Windows versions combined claim 94.79% of Steam clients, with Linux at 3.20% and macOS at 2.02%. Even Windows 7 has a ghostly 0.08% presence. On the hardware front, 32 GB of RAM remains the most common configuration, while midrange GPUs like the NVIDIA GeForce RTX 4060 (4.22%) and RTX 3060 (4.16%) dominate—reflecting a crowd that upgrades components regularly but isn’t always chasing the cutting edge.

Steam’s scale magnifies these percentages. Industry trackers like DemandSage estimate the platform had roughly 132 million monthly active users in November 2025. That means the 2.02% month-over-month shift for Windows 11 represents about 2.7 million gamers—a noticeable migration. Yet the 29.06% on Windows 10 translates to approximately 38 million users still running an OS that no longer receives routine security patches unless enrolled in Microsoft’s Extended Security Updates (ESU) program.

Why Nearly a Third of Gamers Haven’t Upgraded

Hardware requirements remain the biggest gate. Windows 11 demands TPM 2.0, Secure Boot, and a supported CPU—features absent from many perfectly functional PCs. Dell COO Jeffrey Clarke recently stated that roughly 1 billion PCs haven’t moved from Windows 10, with about half incapable of meeting Windows 11’s baseline. Even among gamers, who typically own newer rigs, these compatibility checks disqualify some older but capable systems.

Cost and inertia also weigh heavily. A new PC or component refresh isn’t impulse-buy territory for everyone. Microsoft’s offer of a free year of ESU for consumers—announced alongside the end-of-support deadline—blunted the urgency. For many, Windows 10 simply “works,” and the perceived benefits of Windows 11—DirectStorage, Auto HDR, improved scheduler—don’t yet justify the expense or hassle.

Then there’s the messaging problem. Microsoft’s aggressive AI push, including Mustafa Suleyman’s “mindblowing” comment that users were unimpressed by Windows AI features, has alienated some. Full-screen ads for Microsoft 365 and OneDrive in Windows 11 haven’t helped. For users who value stability and control, the upgrade feels less like a step forward and more like a trade-off.

What This Means for Different Groups

For Home Users and Gamers

Staying on Windows 10 after October 14, 2025, means your PC no longer gets standard security updates. Even with ESU, the clock is ticking. For gamers, Windows 11 unlocks tangible improvements: DirectStorage slashes load times on NVMe drives, Auto HDR breathes new life into older titles, and the CPU scheduler better handles hybrid architectures like Intel’s 12th-gen and later. But if your hardware is borderline, those gains may be marginal, and the risk of driver hiccups or UI friction is real.

For Developers and IT Teams

A user base split across two OS generations complicates testing, anti-cheat validation, and support. With nearly 30% of Steam users on Windows 10, studios can’t abandon that platform yet. This fragments QA resources, especially for titles relying on kernel-level anti-cheat systems that are sensitive to firmware and driver stacks. On the flip side, the clear majority running Windows 11 lets developers confidently target modern APIs like DirectStorage for their next-gen features, using feature gating to avoid punishing older hardware.

For Microsoft and PC Makers

The survey is a double-edged sword. Windows 11’s dominance among gamers is a bright spot: it shows that the platform’s most influential early adopters are on board. But the stubborn Windows 10 holdouts—here and in the broader market—expose the hardware requirements as a drag on adoption. The free ESU offer may have temporarily cooled migration, buying time but not solving the underlying friction. And AI-centric marketing, while potentially transformative, continues to face a trust deficit that feeds into upgrade reluctance.

How We Got Here: A Timeline of Friction

  • June 2021: Windows 11 announced with strict hardware requirements—TPM 2.0, Secure Boot, 8th-gen Intel or Ryzen 2000 and newer. Millions of PCs are instantly ineligible.
  • October 2021: Windows 11 launches. Adoption is slow; many users and businesses stick with Windows 10.
  • Throughout 2024–2025: Microsoft increasingly nudges Windows 10 users toward Windows 11 with full-screen prompts and reminders about the impending end of support.
  • June 2025: According to Statcounter, Windows 11 finally surpasses Windows 10 in overall market share for the first time.
  • October 14, 2025: Windows 10 reaches end of support. Microsoft offers a free one-year ESU for consumers, reducing immediate pressure to upgrade.
  • November 2025: Steam survey shows Windows 11 at 65.59%, but Windows 10 still at 29.06%.

What to Do Now: Practical Steps

If You’re on Windows 10

  1. Check compatibility: Run Microsoft’s PC Health Check tool to see if your PC meets Windows 11 requirements. If it does, back up your data and consider upgrading. The process is free for eligible machines.
  2. If incompatible: Decide between purchasing a new PC, building a system that meets requirements, or enrolling in ESU. For consumers, the first year of ESU is free—visit Microsoft’s lifecycle page for details.
  3. Security first: Without updates, Windows 10 will become increasingly vulnerable. Browsing, gaming, and any online activity carry heightened risk. Use a reputable antivirus and keep other software updated, but know this is a stopgap.
  4. Gamer-specific: If you have an NVMe SSD and a modern GPU, upgrading can measurably improve game load times and visual quality. Test with a secondary drive or partition if unsure.

For Developers and Anti-Cheat Vendors

  • Plan for dual support: Budget for QA testing on both Windows 10 and 11 throughout 2026. Windows 10 won’t vanish overnight.
  • Feature gating: Roll out DirectStorage, ray tracing enhancements, and other modern features as optional toggles, so older hardware isn’t locked out.
  • Monitor anti-cheat: Ensure your solution is validated on Windows 10’s final patch level and Windows 11’s latest builds. Surface any driver or firmware incompatibilities early.

For Enterprises and IT

  • Audit your fleet now. Identify which machines can upgrade, which need replacement, and which qualify for ESU. The free consumer offer doesn’t apply to businesses—ESU for enterprises is a paid program.
  • Accelerate hardware refresh cycles where budgets allow, especially for security-sensitive roles.
  • Communicate clearly with users about AI features and privacy controls to reduce resistance during deployment.

Looking Ahead: What to Watch

Expect Windows 11’s Steam share to inch upward as new hardware sales continue and more gamers cycle out older rigs. But regional variation will be significant: markets with newer PC fleets will pivot faster; those with older, upgrade-constrained hardware will lag. Microsoft may extend ESU or sweeten the deal, but the real lever is a hardware refresh. Watch for announcements around Windows 12 or a major Windows 11 update that might shift the value proposition.

For developers, the bifurcation will persist through at least 2026. Valve’s own moves—like ending 32-bit client updates—signal a slow but steady march toward modern-only support. The next 12 months will test whether the remaining Windows 10 holdouts finally migrate or dig in deeper.