To change the language in Call of Duty: Black Ops 2 from Russian to English, you typically need to replace specific localization files and sound folders, as the Russian version often lacks an in-game toggle or Steam language tab.
If you are looking for a "Portable" version or a "Patch" for a pirated copy, you will likely encounter malware. Most "Russian to English patches" found on random file-sharing sites are actually viruses or outdated cracks. To change the language in Call of Duty:
Rename all files containing .russian. or .polish. to .english. . Rename all files containing
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This works for most versions of the game (Steam and Non-Steam). It forces the game to load English audio and text files.