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Windows 11 Restricts Processors Without SSE4.2 Instruction Set: What You Need to Know

In the end, it won’t just be processors without the POPCNT instruction that Windows 11 will part with. It will probably work by the entire SSE4.2 instruction set. If your processor doesn’t have it, you simply won’t run Elevens. For now, the restriction applies to development versions of the operating system in the Canary channel.

A well-known German website is behind the revelation Deskmodder.de. He noticed that a value with a label was added to the registry BlockedBySSE4.2, which clearly references the instruction file. As one of the website readers found out, it is not an easily removed obstacle such as in the case of TPM 2.0.

Microsoft is serious this time. So Windows 11 Insider Preview since build 26063 they require a processor with the SSE4.2 instruction set and without it even editing the registry won’t help. From a consumer point of view, the change should be reflected in Windows 11 version 24H2, unless Microsoft changes its mind. It’s not likely.


Processor instructions will be printed for you by e.g. Cpu-z

As before, it is necessary to remind that the cancellation of support for such old processors is largely irrelevant, since officially Eleven only runs on computers with processors Intel Coffee Lake a AMD Ryzen 3000 and newer models. (With a few slightly older exceptions.)

Intel first integrated SSE4.2 into Core i7 processors of the Nehalem architecture in 2008. On the other hand, AMD introduced consumer processors containing SSE4.2 only in 2011 with the Bulldozer architecture. They are not and will not be officially supported. Unofficially, you can run Elevens on them, but the 23H2 version will most likely be the last.

Resources: Deskmodder.de

2024-03-07 16:15:04
#Windows #trash #processors #SSE4.2 #years #hardware

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