Try installing the game through the Itch Desktop Client - this will at least give you an easy way of seeing the log files and may have some clues as to why it's crashing / not launching (feel free to email it over to me at cairn4games@gmail.com if it's still not working).
If you have Java installed - try running the .jar file directly (MewnBase/game/desktop-1.0.jar) and see if anything happens.
Do you know what kind of video card (if any) your machine has?
The .jar file is already in the Windows version you've downloaded (see path in prev post). Or, you're already logged into itch.io... just go ahead and download the standalone java version.
