This update usually requires a specific "base" version of the game. If the installer says it cannot find the game, ensure you have the initial CODEX release of Amnesia: Rebirth installed.
Updating from very old versions to v1.40 can sometimes cause issues with existing save games. It is recommended to back up your save files located in Documents\My Games\Amnesia Rebirth . 4. Important Safety Note Amnesia.Rebirth.Update.v1.40-CODEX.rar
Inside the extracted folder, there is usually a setup.exe . Run this and point it to the directory where your main Amnesia: Rebirth game is installed. This update usually requires a specific "base" version
The ".rar" file is a compressed archive. To use it, you generally follow these steps: It is recommended to back up your save
Antivirus software often flags "cracked" .dll files (like Steam_api64.dll ) as false positives. If the game won't launch after the update, check your antivirus quarantine and restore the files.