Once the download finishes, launch the game to see the changes. Manual File Replacement
C:\Program Files (x86)\Steam\steamapps\common\Call of Duty Modern Warfare 3 Main Folder Files folder, you typically need to replace files named localized_[current_language]_iw00.iwd with their localized_english counterparts. Zone Folder : Ensure the \zone\english folder contains the necessary (Fast Files) for menus and dialogue. Download Size
Steam will begin a small update to download the English localization files. Method 2: Manual Language Swap (PC)
Steam will download the necessary English files automatically. Steam Support 🛠️ Manual Installation (For Retail/Locked Versions)
to English, you can either use official Steam settings or manually replace the localization files if the official method is unavailable. 1. Official Steam Method