> Assuming you have the right build for your system (x64 is if you are using 64bit windows),
> ran oalinst.exe (it is in the zip file alongside game.exe)
> and didn't accidentally delete/or move the files relative to game.exe it should be fine.
> I haven't not tested it on a huge variety of systems though, so it is possible there is something I didn't consider.
Windows 10 Pro x64 on Ryzen5 2600X, 16GB RAM, Radeon GX580 graphics
> Are you executing it from a command prompt?
Yes. It opens a window that closes after a few second without message