It’s random software that indeed only runs on Windows. There’s not even a Mac version.
…but it’s also software that people generally don’t use privately, and for which FLOSS alternatives exist (Blender), arguably better software and because free also used by hobbyists, and even more insanely powerful commercial software that also runs on Linux (Houdini). Frankly speaking I’m surprised that a DOS 3d software package even made it into currentyear with all that IRIX competition.