Check Itch.io or Game Jolt . Developers often release "Name Your Own Price" versions or free demos for psychological horror projects.
While "Free Full Game" links on third-party sites can be risky, there are safe ways to play: Unaided: 1939 Free Full Game Download
Always ensure you are downloading from verified storefronts to protect your PC from malware hidden in "free" executable files. Check Itch