Fan Control by Rémi Mercier
From https://getfancontrol.com/
Fan Control is a highly focused fan controlling software for Windows.
No installation required.
Low in resources, high in power.
Multilingual.
Current version: v.165
More info: https://getfancontrol.com/docs/
GitHub: [url]https://github.com/Rem0o/FanControl.Releases[/url]
Closed source.
Note: "No installation required" does not mean Portability (Not Tested)