this is my childhood memory
edit: i made a guide (its for HotTK 7 but the methods are the same)
https://steamcommunity.com/sharedfiles/filedetails/?id=2326530853
(add on from user Dreaming)
For Windows 10 64 bits users losing frames issues: (32 bits users can try too)
1. right click "heroes of the three kingdoms 6" in library > "manage" > "browse local...
