Windows 11 24H2: New CPU Instruction Requirements Impact Compatibility on Older Hardware

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People LOVE articles about modern Windows not supporting some legacy junk hardware, so let's see how many pretend to be outraged by this news. When in reality this is a complete non issue. 😀
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muh core 2 duo
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SSE4 is older than our solar system, if you're so stubborn that you're still using a Core 2, you deserve to be using a Core 2.
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a core duo is good to run software of its era, for some windows xp gaming experience, not for windows 11 with only 2 cores
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I hate whenever a new game comes out and some dudes start complaining that it requires AVX2, an instruction that came out with Haswell architecture over 10 years ago, which is an eternity in the tech industry. This is the same deal essentially, if not worse. Just goes to show that entitlement is out of control in today's world.
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The compatibility threshold will move along the timeline of deprecation no doubt and more features will get mandatory. Here is what Steam Hardware Survey tells up about CPU feature set proliferation. SSE4.* is ripe to be folded in the baseline requirements:
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And there's always a Linux distro for your old PC that will be compatible forever, or something.
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So MS kernel developers gave up on creating multiple implementations of HAL. I am curious why this PopCnt instruction is so vital for upcoming versions of Win11, all of the sudden...
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26052 is not 24h2, 24h2 is on the 23xxx build string and likely to release as 24000.xxxx 26052 will still work on nahalem at the lowest (and lets face it, core 2 chokes on windows 10 and 11 anyway)
Carfax:

I hate whenever a new game comes out and some dudes start complaining that it requires AVX2, an instruction that came out with Haswell architecture over 10 years ago, which is an eternity in the tech industry. This is the same deal essentially, if not worse.
AVX doesn't provide a benefit to gpu bound fps situations on these system and demonstrably only provides a slight improvement at the top end for games that are already running in excess of what is considered playable fps, AVX2 on the other hand isn't used by any game so far, either way forcing the need for avx is just showing that a developer has opted to be lazy on the profiling and optimizing stages of development. (because mixed avx1/sse code is usually a detriment)
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Maybe I am getting old, but I liked when I could decide what updates I get to install in the pc that I bought, on the operating system that I paid for. You know, just in case this particular update decides that my old program/game is not important enough for them to support it anymore and it won't ever work again". I know a lot of people think this is not important but I remember when it turned out many public administrations still worked on windows XP back in the "love you" malware (or was it ransomware?) news. For those who are saying things like "you should not care about[...]" or "you should not be using [...]", let me tell You: Its all well and good until it affects You. By then, its already an accepted practice by the industry.
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If people whines with this... I don't know what to say. If you actually followed Windows' original Win11 requirements (with TPM and Secure Boot), you will never have issues.
Catspaw:

Maybe I am getting old, but I liked when I could decide what updates I get to install in the pc that I bought, on the operating system that I paid for. You know, just in case this particular update decides that my old program/game is not important enough for them to support it anymore and it won't ever work again". I know a lot of people think this is not important but I remember when it turned out many public administrations still worked on windows XP back in the "love you" malware (or was it ransomware?) news. For those who are saying things like "you should not care about[...]" or "you should not be using [...]", let me tell You: Its all well and good until it affects You. By then, its already an accepted practice by the industry.
The reason about the situation of the update is exactly because of the people going "let me choose the updates I want to install". They would not install them and then let their computer become a huge security flaw. Then, they would come crying "my computer got hacked! wah!". So, to avoid that the most possible, MS descided to do what they did with updates. Is it perfect? Hell no. Very far from it! The fact that I still catch my PC having rebooted once in a while, while I had stuff in progress, still makes me mad...
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Catspaw:

Maybe I am getting old, but I liked when I could decide what updates I get to install in the pc that I bought, on the operating system that I paid for. You know, just in case this particular update decides that my old program/game is not important enough for them to support it anymore and it won't ever work again". I know a lot of people think this is not important but I remember when it turned out many public administrations still worked on windows XP back in the "love you" malware (or was it ransomware?) news. For those who are saying things like "you should not care about[...]" or "you should not be using [...]", let me tell You: Its all well and good until it affects You. By then, its already an accepted practice by the industry.
you are old 🙂 now you buy the license to use ,nothing is yours. You are allowed to use windows and your computer hardware with a "small fee" . Same as electricity and internet "access" !!
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Lebon30:

If people whines with this... I don't know what to say. If you actually followed Windows' original Win11 requirements (with TPM and Secure Boot), you will never have issues. The reason about the situation of the update is exactly because of the people going "let me choose the updates I want to install". They would not install them and then let their computer become a huge security flaw. Then, they would come crying "my computer got hacked! wah!". So, to avoid that the most possible, MS descided to do what they did with updates. Is it perfect? Hell no. Very far from it! The fact that I still catch my PC having rebooted once in a while, while I had stuff in progress, still makes me mad...
you over simplify. our world is based on choices and free will . when someone "decide to do" something for an other person without his approval there is a special name for this "someone" !
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Glottiz:

People LOVE articles about modern Windows not supporting some legacy junk hardware, so let's see how many pretend to be outraged by this news. When in reality this is a complete non issue. 😀
There's really only one thing about this that warrants outrage: the fact they're doing this now. This is the sort of thing they should've done on day 0. You can't just let people install an OS and then be like "oh well you're hardware is too old - deal with it" when perhaps they no longer have the ability to revert back to W10. They already screwed this up once by letting certain people upgrade on hardware that was incompatible in the first place, but it's another level of crappy when it was working and now it's not. Despite everything I said though, I do agree that this is a non-issue in the sense that someone running hardware old enough to not be compatible with this shouldn't have even attempted to run W11 in the first place. I would argue even W10 isn't worthwhile to them. The only real selling point of Windows is it's vast compatibility with hardware and software, but the line has to be drawn somewhere. Windows is poorly optimized enough as-is; it doesn't need to be held back further by 20 year old hardware. Hardware compatibility is a lot less important. If you don't have the money to upgrade, you're better off using Linux (though even then, many distros are dropping support of a lot of older hardware).
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So... does this basically affect ANY computer that's allowed to install Windows 11? If it only affects a core duo, then that's okay as you cannot install Win 11 on that machine anyway. Maybe a list of cpus would be a sensible start? P.s. Capital letters are a standard when writing a sentence, let alone a paragraph. My English isn't perfect but, man oh man, posting with no capitals is a new form of 'lazy'.
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They had cpu list for when win 11 came out and people went crazy cause 3 year cpu where not one list.. and cause one the "requirements" was not requirement it was artificial made one. Too me it moot i dont want windows 11 and by the time i actual build a new pc win 12 will be out and i can hope "leaks" UI being just trashy has changed for the better. MS cant have have it both ways, they want everyone on win 11 but made win11 where not ever one can use win 11 cause system is to old. unless by pass the "requirements" that are questionable in first place. "requirement" to me means it need to "work" which not case most time Despite me not like what they did to UI in windows 11 I would moved to if my pc supported it, I like the have latest and great OS even when they go an make mess of UI
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asturur:

a core duo is good to run software of its era, for some windows xp gaming experience, not for windows 11 with only 2 cores
This is what they told you about... But for server it is still really good now (despite it is better on open source OSes) it permit to do a small one for less than 100 Euro, Also i still use a Pentium G3258 @ 4,8 even for game from time to time and it run W11 very fast with it's 2C/2T, and the "not compatible hardware" lol
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Excalibur1814:

If it only affects a core duo, then that's okay as you cannot install Win 11 on that machine anyway..
Wrong, the M$ politic changed when professional figured that everything that is running W10 can run W11, and the drama about it (and Core2 can run W10)... Now pro can install W11 on any hardware, only a windows that can be closed told you that "the hardware might be weak" and no more message on the desktop. All of that is just to prepare customer for W12... (as it is not a so big drama anyway)
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Bob, Pony up for a new CPU already! 😉
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Hilbert Hagedoorn:

The upcoming versions of Windows 11 may not support older hardware, as indicated by the latest preview build (26052) that introduces several new features including an AI-powered Super Resolution setting. Windows 11 24H2: New CPU Instruction Requirements Impact Compatibility on Older Hardware
Who cares really about comptuers That old, when you can buy those no longer supported p4 and core 2 duo computers for like $30 to 40 bucks, and thats too much when you can get 6th gen ones with nvme slots for arround $100 bucks these days. as 10 days soon to end , so 8th gen and up are the only ones worth $300 or more.
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apple has been doing that for decades,and knowone cry's about it they tell you to go buy a new one your device is no longer supported, also need a new iphone every year or 2 , lol