Finding a legal free download for is difficult because the game has been delisted from official digital stores like Steam since August 2013 due to expired licensing from Disney/ABC. Where to Find the Game
Since the game is no longer supported or sold by the original publisher, many fans point toward "abandonware" repositories. However, these are technically not authorized by the copyright holders. LOST: Via Domus Free Download
Because it is no longer sold digitally, your best options for playing it today are: Finding a legal free download for is difficult