If the registry fix doesn't work, you may be missing the actual English localization files. Community members often share these in guides or forums.
You generally need English.p3d or similar localized .p3d files located in the game's root directory or a localization folder. Installation: Prototype 2 Pc English Language Pack
This is the standard fix if the game files are present but the system is pointing to the wrong language ID. Press Win + R , type regedit , and hit . Navigate to the following path: If the registry fix doesn't work, you may