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Microsoft updates Windows 11 24H2 requirements, CPU must support SSE4.2 or the OS will not boot | This is the second system requirement added to Windows 11 since it first came out.


This is the second system requirement added to Windows 11 since it first came out.

Bob Pony on X (Twitter) discovered that the SSE 4.2 instruction set is now required to run Windows 11 24H2, starting with build 26080. For one reason or another, Microsoft has decided to increase Windows 11's system requirements starting with version 24H2 which will debut later this year. Bob Pony re-affirms that SSE4.2 specifically is required, this means that any older CPUs such as AMD's Barcelona chips that only go up to SSE4a won't work (through Windows 11 modding).

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