The global numbers fall within the margin of error to some extent, but the US numbers seem more clear-cut. This change comes after Microsoft’s confirmation of a 12-month extended support option for Windows 1 users from next October. This will cost $30 per PC, but for those stubborn Windows 10 holdouts, it could be worth it.

Microsoft warns users of unsupported hardware using Windows 11 with a disclaimer Windows 11 will add a watermark if system requirements aren't met Continuing to use Windows 11 on incompatible hardware may void support and warranty.

Microsoft warns 400 million PCs risk losing updates as Windows 10 support ends in 2025. Users must upgrade hardware for Windows 11, pay for extended security, or risk cybersecurity threats.

More than 800 million Windows 10 users and another 50 million on even older, already obsolete versions of Windows. Of the 800 million Windows 10 users, more than 400 million likely don’t meet the TPM 2.0 threshold.

With Windows 10's end-of-support deadline approaching in October 2025, these users face a dilemma: either update to Windows 11 with potential compatibility issues or continue using Windows 10 and risk losing security updates.