the guide is community-run, Ray didn't make it
It got removed due to spritework issues. Dev explained on the Eka's thread
Sorry for the wait, I personally use 7zip. Afaik WinRar is functionally identical, just a different interface.
Download 7zip or WinRar, right click the download once it's on your computer, click "open with..." and select one of those programs. Should be good from there
I thought this game would be a low-effort meme but this was genuinely super fun! Thanks for making it!