Hi, thanks so much for your interest! We're sorry you're having problems. Were you having trouble running the file on your computer or would the download not complete?
Hmm... were you trying to download it using the itch.io Launcher application? As far as I know, for games to be downloadable with the launcher, the developer needs to tell itch.io what operating system each downloadable file is compatible with. Since I don't see a little Windows symbol on the game's itch.io page next to the file size of "Morfosi_Windows_1.2.0.zip", it doesn't seem like UniDot has done that yet, so it will need to be downloaded manually from a browser.