If you used Method 2 and the text is in English but the characters are still speaking a different language (e.g., Russian), it means the English Voice Files are physically missing from your installation.

Find your installation directory (usually Steam\steamapps\common\Call of Duty Modern Warfare 3\zone ) and ensure there is an english folder inside.

If you are looking to play the game in its original English audio and text, here is a detailed guide on the , how to install it, and the legal nuances involved.

Common troubleshooting quick fixes

Contrary to what some believe, the English Language Pack for MW3 is not a mod or an unofficial patch. It is a set of proprietary game assets—specifically audio files ( .mp3 , .wem , or .snd ), text localization databases ( .str or .csv ), and UI font files. These assets replace or supplement non-English elements with: