According to Statcounter, Windows 11 held a 55.18% market share in October 2025. That share dropped to 53.7% in November and dropped again in December. Now, Windows 11 holds a 50.73% market share.
https://gs.statcounter.com/os-version-market-share/windows/desktop/worldwide
Many are rollback to Windows 10, but Linux is increasing as well.


https://gs.statcounter.com/os-market-share/desktop/worldwide



I think it’s more that they’re not really making money on Windows anymore. The money is in cloud services like Office 365. So Windows is just being used to push people towards what actually makes Microsoft money, disregarding whether they actually want those services.