It was certainly the most egregious I recall, but here's an article complaining about Windows 10 minimum specs too.

https://winaero.com/the-real-system-requirements-for-windows...

Here's one for Windows 11

https://www.makeuseof.com/is-4gb-ram-enough-for-windows-11/

Seems Windows 8 was ok

https://www.networkworld.com/article/2221048/will-windows-8-...