Sorry for the delay!
So it launches Notepad without issue save for a bunch of resolution warnings (I’m running a 4k monitor at 144 HZ) and, on exit, the Back to PrgLnch button yelled at me about a missing window and took a few seconds to allow me to click it.
I downloaded the zip from GitHub but there may be a better way to handle things. I suppose I could use Git on Windows, though