This specific file name is historically linked to the release of the game's first major update. Release Date: Roughly February 2018.
Use the Valve Developer Community or SteamDB to track legitimate updates. Hunt.Down.The.Freeman.Update.1.part1.rar
💡 If you downloaded this from a random file-sharing site, do not run it . Modern community updates on Steam have replaced the need for these old, potentially dangerous manual patches. This specific file name is historically linked to
Right-click the game in Steam > Properties > Betas. Select the owf_development_build for the most stable, community-fixed version. Hunt.Down.The.Freeman.Update.1.part1.rar