All the moaning and rending of garments that’s been going on here inspired me to try downloading the offer to see what all the fuss was about.
Crickets. Not a hint of a hitch, right up through running the result. I did expand the contents of the downloaded .zip file into a temporary directory just in case even now Windows hasn’t quite managed to make expanded .zips work exactly like normal directories, but that was the only precaution I added to the relatively simple instructions.