Included game setup.bat is to bypass creating the setup file manually.
In there you can change resolution, graphics, color depth, fog and aspect ratio.
The exe is TRNG, it doesn't support windowed 16x9 display. Currently unfixable.
border_fix.bat/border_unfix.bat remove/restore window border on Windows10.
Remember to unfix it before running TR2, or you will lose music in that game.