Copy the extracted files and paste them into the root of your game directory. When prompted, choose "Replace the files in the destination" to overwrite the existing language data. Modify Configuration Files (For Repacks) If the game remains in the old language, locate the configs.user steam_settings file in the game folder. Open it with Notepad and find the line language=russian (or similar) and change it to language=english Contents of a Full English Pack A complete repack language pack typically includes: Localization Files localized_english_iw00.iwd localized_english_iw07.iwd Zone Folder Files : Located in the zone/english folder, these contain mission-specific data and scripts. Audio/Subtitles
Paste the English localized_english_iwXX.iwd files into the main directory. Copy the extracted files and paste them into
: Repackers often strip additional languages to reduce the download size, which can exceed 80–100GB for the full modern versions, though the 2011 original is significantly smaller. Open it with Notepad and find the line
If you already have a version of the game and just need the English conversion: If you already have a version of the
would take the original 14GB+ game and compress it down to roughly 10–11 GB.
: Before making changes, back up your current main and zone folders.