Are you using the itch app? Or dooes your browser require some sort of permission for downloads on the internet?
Are all downloads for the game blocked? Do other downloads on itch work for you?
You can use MEGA as an alternative, should the downloads here on itch not work for you: https://mega.nz/folder/CpQXwBDS#wwZlWRrPWoGzZX5h0-MlRQ
The game is also available on Steam, but not for free.