Hi Hollow! I'll chat with our lead programmer about releasing future builds via the launcher for future updates ;)
Viewing post in How to Install from Itch Launcher?
Sorry for the late reply! We've moved itch client support to the top of our sprint and should release the next build with client compatibility.
It should be much easier for users rather than extracting with winrar. For now, try downloading the game directly from the home page and use https://www.win-rar.com/start.html?&L=0 to extract it's contents