While you should always be wary of "free download" sites that may harbor malware, there are legitimate ways to get the game for $0:
Often confused with the "Game of the Year" (GOTY) edition, the Dishonored: Definitive Edition is essentially a rebranded bundle for PC that includes the award-winning base game and all its additional content. On consoles like PS4 and Xbox One, it also featured enhanced graphics and 60 FPS performance. dishonored-goty-definitive-edition-pc-game-free-download
: A collection of four character enhancement packs originally offered as pre-order bonuses. Can You Actually Get It for Free? While you should always be wary of "free
: Ten challenge maps designed to test your combat and stealth skills. dishonored-goty-definitive-edition-pc-game-free-download