Five years after its debut and nearly a year after Microsoft officially cut off free support, Windows 10 remains stubbornly entrenched on hundreds of millions of PCs worldwide. New usage data highlighted by Windows Latest shows that despite repeated prompts, in-app nagging, and an end-of-support deadline that passed in October 2025, a huge share of desktop users still haven’t switched to Windows 11.
A deadline that didn’t move the needle
Microsoft ended free security updates for Windows 10 on October 14, 2025, urging users for years to migrate to Windows 11 or risk running an unpatched system. To soften the blow, the company rolled out a limited Extended Security Updates (ESU) program for consumers, letting holdouts stay protected for another year by enrolling through a Microsoft account, redeeming Rewards points, or paying roughly $30.
That safety net appears to have done exactly what critics predicted: given millions of users an easy excuse to keep putting off the upgrade. Market tracking data cited by Windows Latest shows Windows 10 still holding a market share close to, and at times above, Windows 11’s, a remarkable outcome for an operating system that is no longer the default recommendation for new hardware.
Why so many PCs can’t move on
The single biggest obstacle remains hardware. Windows 11’s strict requirements, particularly mandatory TPM 2.0 support and a list of approved processors, locked out a large slice of otherwise capable machines built before roughly 2018. For many households and small businesses, that means the only path to Windows 11 is buying a new computer entirely, not simply installing an update.
- Millions of PCs sold between 2015 and 2019 lack the TPM 2.0 chip Windows 11 requires by default.
- Workarounds exist to bypass the check during installation, but Microsoft has discouraged them and warns such installs may not receive full support.
- Replacing otherwise functional hardware solely to satisfy a software requirement is a cost many users and IT departments are unwilling to absorb.
Beyond hardware, plenty of users who could upgrade simply haven’t. Windows 11’s redesigned Start menu, centered taskbar, and tighter integration of Microsoft accounts and Copilot features have drawn persistent criticism from longtime Windows users who see the changes as unnecessary friction rather than genuine improvement. For that segment, Windows 10’s familiarity is itself the selling point.
Enterprises are in no hurry either
The holdout problem isn’t limited to home users. Large organizations, from schools to manufacturing floors running specialized legacy software, have historically lagged behind consumer adoption curves by a year or more. Many IT departments quietly enrolled entire fleets in the ESU program rather than rushing hardware refreshes, treating the extra twelve months as breathing room to plan replacement cycles on their own schedule instead of Microsoft’s.
That calculus matters because enterprise devices make up a substantial portion of the installed base Microsoft is trying to shift. Even a modest slowdown in corporate upgrade cycles is enough to keep Windows 10’s overall numbers propped up well past the point Microsoft intended.
What happens when ESU runs out
The consumer ESU program is a one-year bridge, meaning the free and paid options Microsoft offered are set to lapse around October 2026. After that, Windows 10 machines that haven’t upgraded will be left running without security patches, a scenario security researchers have warned could create a large pool of vulnerable, internet-connected devices ripe for exploitation.
Security researchers have repeatedly cautioned that unsupported operating systems become high-value targets precisely because attackers know patches are no longer coming.
Microsoft has not announced whether it will extend ESU eligibility again or offer a second paid tier, though the company has shown willingness in the past to adjust deadlines under public pressure, as it did when it first introduced the consumer ESU option after backlash over the original cutoff plan.
A familiar pattern for Microsoft
This isn’t the first time Microsoft has struggled to retire an aging Windows version. Windows 7 and Windows XP both saw years of stubborn holdout usage after their official end-of-support dates, driven by the same mix of cost, compatibility, and user preference now keeping Windows 10 alive. What’s different this time is the scale: Windows 10 was, for years, the most widely installed desktop operating system on the planet, making its long goodbye considerably more consequential for both security and Microsoft’s push toward newer, AI-integrated features baked into Windows 11.
Those AI ambitions have occasionally backfired on Microsoft’s broader software reputation. As NarwhalTV previously reported, even basic built-in apps on Windows 11 have drawn criticism for bloated resource usage compared to lighter alternatives, feeding a narrative among skeptics that the newer OS trades efficiency for features many users never asked for.
The road ahead
For now, Windows 10 shows no sign of disappearing quietly. Whether Microsoft extends its support lifeline again, doubles down on messaging urging users to upgrade, or simply lets the October 2026 ESU deadline pass and hopes attrition does the rest, the operating system’s five-year staying power has already outlasted most predictions made when Windows 11 launched in 2021.
