How To Change Language In Mafia 2 -

Open your and right-click on Mafia II (or Definitive Edition) . Select Properties > General > Language .

If the Steam setting doesn't stick, launch the game to open the 2K Launcher . Click the Settings (gear icon) within the launcher and change the language there before starting the game. Changing Language on PC (GOG)

Sometimes Steam’s language switch fails, or you want a mix (e.g., Russian voices with English subtitles). You can force this by editing configuration files.