What or issue are you seeing on your screen?
in the wrong language or purchased a regional version, you can download the English language pack to fix it. Depending on your platform—PC, PlayStation, or Xbox—the process varies from simple setting changes to manual file replacements. Method 1: PC (Steam & Battle.net)
If the game crashes after installing the language pack, the files may have downloaded incorrectly. Use the tool on Steam, or the Scan and Repair tool on Battle.net, to replace the broken data strings. Console users will need to delete the specific language pack add-on and redownload it from the dashboard. To help troubleshoot further, let me know: Download Modern Warfare 3 English Language Pack
How to Download the English Language Pack on Xbox (Xbox One & Series X|S)
In the sprawling, chaotic ecosystem of PC gaming, few things are as simultaneously frustrating and triumphant as the moment you realize your game is speaking the wrong language. For Call of Duty: Modern Warfare 3 (2011)—the explosive climax to the original Modern Warfare trilogy—this is a surprisingly common rite of passage. Whether you bought a budget key from a gray-market reseller, borrowed a disc from a friend in another region, or accidentally downloaded the Russian/Polish/German version on Steam, you are faced with a dire reality: Captain Price is barking orders in a language you failed in high school. What or issue are you seeing on your screen
Steam will automatically detect the missing configuration files and initiate a download in your queue.
If you have already downloaded multiple languages and just need to switch the active one: Open the game and go to the menu (press Start/Options). Navigate to the tab (often represented by a newspaper or cog icon). Scroll down to Language Selection under the "Preferred Languages" section. Troubleshooting: Language Not Changing? Region Locking: Method 1: PC (Steam & Battle
Locate the and click download.
Inside the main folder, you will likely see folders like localized_russian_iw00.iwd , localized_polish_iw00.iwd , or localized_german_iw00.iwd .