If the file is not from Steam, Battle.net, or a verified console store, do not trust it.
and placed directly into the game's "main" folder to overwrite existing foreign language files. Call Of Duty Modern Warfare 3 English Language Pack Free
Steam will start a small download to acquire the English files. : Open the Battle.net launcher and select Call of Duty . If the file is not from Steam, Battle
It is important to clarify that language packs are technically free game content. You are not pirating the game by downloading a language pack; you are modifying your existing installation to access assets that are officially distributed by Activision/Steam. : Open the Battle
The English Language Pack for Call of Duty: Modern Warfare 3 adds or enables full English-language support in the game — including English text (menus, subtitles, HUD), voiceover/dialogue, and localization assets. It’s typically provided as an optional download for players who installed the game in a different language or purchased a region-specific version without English included.