Open the downloaded archive using a extraction tool like WinRAR or 7-Zip. Inside the archive, locate the folder named english .
If you downloaded the entire zone folder from a torrent without owning the base game (including .exe and main folders), you crossed into piracy. The legal gray area existed only if you already had the game installed and were merely replacing localization files. Activision's legal team historically auto-scanned public torrents, focusing on full-game packs, not language patches. Open the downloaded archive using a extraction tool
After copying the files, run the game as an administrator to prevent file access issues. focusing on full-game packs