If you are using a localized version (e.g., a region-locked retail disc) and need to manually swap files, follow these steps: Why can't I change the language in cod mw3 : r/CrackSupport
You might have downloaded a repack from an international source, only to find menus in Russian, German, or Polish. Alternatively, you may own a legitimate copy, but a corrupted update has defaulted your text to a foreign language. The solution almost always lies in a specific, technical fix: the .
This guide is for educational purposes. Modifying game files may violate the Terms of Service for online multiplayer. Use these steps primarily for single-player or LAN play. Always back up your original files.