[tomek@vz]

Microsoft has intensified efforts to block unsupported Windows 11 installations, removing documentation about bypassing system requirements and flagging third-party workaround tools as potential malware. The move comes as Windows 10 approaches end of support in October 2025, when users must either continue without updates, upgrade to Windows 11, or purchase new hardware compatible with Windows 11's TPM 2.0 requirement.

Microsoft Defender now identifies Flyby11, a popular tool for installing Windows 11 on incompatible devices, as "PUA:Win32/Patcher." Users are also reporting that unsupported Windows 11 installations are already facing restrictions, with some machines unable to receive major updates. Microsoft has also removed text from its "Ways to install Windows 11" page that had provided instructions for bypassing TPM 2.0 requirements through registry key modifications. The removed section included technical details for users who acknowledged and accepted the risks of installing Windows 11 on unsupported hardware.