The safest way to get the full version is through official digital storefronts where it is frequently available at a low cost:
: THQ Nordic relisted the game here in 2021, making it easily accessible for current PC players. second-sight-free-download-pc-game-full-version
: If you are looking for a different project, there is an indie title called The Second Sight: Dead Reckoning which offers a "name your own price" (including free) model. Game Highlights: The safest way to get the full version
: Offers a DRM-free version that is optimized to run on modern Windows systems. : A narrative that jumps between the present
: A narrative that jumps between the present (escaping a research facility) and the past (a mission in Siberia).
: Includes powers like Telekinesis, Healing, Projection, and Possession to solve puzzles and fight enemies.
: You can mix stealth, psychic powers, and traditional firearms to complete objectives. Second Sight - GOG.com