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Windows 11 on Pentium 4

Enderman · 839.1K views · 2023-02-20 · 38:59

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Overview

Enderman gets Windows 11 running on a Pentium 4 system with a Radeon HD 5870 and 8 GB of DDR2. It explores how an unsupported, ancient CPU can be made to work by using the rare last Pentium 4 variant and a registry flag.

On Hacker News

HN mentions it as a reference for Windows 11's actual CPU requirements and for how screen flicker is edited out of footage.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2023–2023

Topics

Demoscene & retrocomputingComputer architecture & CPUsOperating systems & kernels
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windows 11pentium 4hardware compatibilityretro pc

What people said

toasteros · 2023-08 · Reference

Indeed no pitchforks, but I can see where some concern has come from. On the release of Windows 11 it was stated that only newer Intel and AMD generations were to be officially supported and while workarounds are built in (literally a registry flag in the installer) to install on even a Pentium 4 [1], they came with a warning from Microsoft that installations in such environments "may not receive updates". Is it therefore possible that this bug check is being implemented as part of the journey towards actually dropping "support" for these CPUs? Indeed, it's a preview release, and the Insider program is amazing for getting insight into Windows development and it shouldn't be held up to the same level of journalistic scrutiny as a sanctioned general release, but I can absolutely see why this particular change may have raised some eyebrows. [1]: [VIDEO]

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Medox · 2023-03 · Reference

Not sure for CRT's but TFT flickering can also be edited out afterwards, as seen here after ~22:40: [VIDEO]

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nordsieck · 2023-02 · Reference

> [VIDEO] I feel a bit vidicated by that video. In the beginning, he basically says that he needed to run the rare last variant of the Pentium IV to get it to work and that most Pentium IVs would be impossible to get it to work. Pretty impressive that it's possible at all, though.

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Sources

Video by Enderman, played through YouTube.

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