Microsoft blocks some PCs from Windows 11 24H2 — CPU must support SSE4.2 or the OS will not boot
by from Tomshardware on (#6MA8R)
Microsoft has added a second system requirement to Windows 11 24H2, this time being full SSE 4.2 support. The good news is that this requirement only affects users who are trying to run Windows 11 on already unsupported hardware.