Windows 11 Compatibility Checker Tool Site

If you’ve tried upgrading via Windows Update and saw the dreaded "This PC can’t run Windows 11" message, you know the frustration. But why can’t it run? And is there a tool that actually tells you the truth?

Run the compatibility checker. If you pass, upgrade freely. If you fail, don't panic. Windows 10 is still excellent, and your PC isn't "broken"—it's just not on Microsoft's short list. windows 11 compatibility checker tool

Spoiler: There isn't just one—there are three. And only one of them is official. For two years, Microsoft resisted building a detailed checker. After community backlash, they finally released the PC Health Check app . If you’ve tried upgrading via Windows Update and

Microsoft’s official PC Health Check page (Download directly—avoid third-party clones). The Power User’s Choice: WhyYouWin11 (Open Source) If PC Health Check says "No," but you suspect it's wrong, you need WhyNotWin11 . This is an open-source community tool that has saved thousands of "incompatible" PCs. Run the compatibility checker

Microsoft has made one thing clear with Windows 11: Security is non-negotiable. Unlike the relatively lax upgrade path from Windows 7 to Windows 10, moving to Windows 11 requires specific hardware: TPM 2.0, Secure Boot, and a supported CPU.

Enter the .