Download: Legion Fan Control
LegionFanControl V2, or LFC, is a community software designed to add missing fan control functionality to some Lenovo Legion gaming laptops.
Sadly, the project is now discontinued and not supported by it's creator, Rodpad.
Community support is still provided on LaptopWiki Discord.
List of compatible models
LFC is Windows only and doesn't work on Linux under Wine
"C:\Program Files (x86)\LegionFanControl"