Open the client and click on Owned Games . Select Mafia 2: Click on your Mafia 2 game tile.

If you're experiencing issues changing the language in Mafia 2, here are some troubleshooting tips:

If you are using the older "Classic" version of Mafia II and language options aren't working, or if you want to force a specific language, you can edit the configuration file.

Click the More button (the icon next to the "Play" button), hover over Manage Installation , and select Configure .

A. PC — Steam (fast)