>I downloaded it from F95zone
Then you download an outdated version. This is 1.0b, which includes bug fixes and other corrections.
> when I clicked on the link to download it here, a warning message came up saying, "WARNING: This Page Has Been Quarantined. Our system has flagged this page for additional review due to potential suspicious behavior from the page owner."
Have you tried the multi-link version or the single-link, external GDrive version? The single link one shouldn't give you any issues normally, since it's literally coming from the google servers. As for the internal itch links: I've never heard anyone getting a virus or malware from downloading games from the itch.io servers. So it's most likely your browser security being a little too cautious.