I don't know how itch.io version works, but you can grab a version from Patreon/Subscribestar, those are stand alone. Just need to extract them somewhere and run the .exe file.
https://www.patreon.com/madmate_games/membership
Weirdly, it says you're not accepting any new signups at this time or I would have gotten one there.
Yeah, Patreon is paused until the end of month. Try this link: https://www.patreon.com/posts/stuff-106070948
That's strange... The post is open to public. Anyway, here's the direct link for the latest release. This one should work: https://mega.nz/file/0493kZoC#jKhbsPdKVqWCmIO6dVPKr53bhpVAQLw7yA8Zw6jEUXE