Windows 11 is not the problem, many players use Windows 11.
-tell us the details about your system: OS, version, graphic card, screen resolution.
-in the same folder where the game is installed, there is a file called init_log.txt ; please post its contents here.
This is content of my init.ini file:2022/11/24 19:49:22 - No init.ini file detected. Fullscreen set: false ; windowed set: false
height=1080 width=1920 fullscreen=1