Hello! I've went ahead and split your comment into a new topic so it's easier to help you with your issue.
Unfortunately our download page is a little wonky, but we do have an alternative download source. Here's a link: Linkie (https://feral-heart.com/smf/index.php?topic=68053.0)
There are two links that lead to the same file provided in the thread, so you can pick whichever site you prefer downloading from (google drive or Mediafire). The download contains a zip of a vanilla FeralHeart folder with the new .exe/patch already installed. All you have to do is extract the FeralHeart folder from the zip to your desktop or wherever you'd like and it should work just fine. Feel free to create a shortcut to that folder's FeralHeart.exe for easy access if you want.
I hope this helps! If you need anymore help, please by all means let me know~