To play Call of Duty: Black Ops Cold War in English, you must install the official through your specific gaming platform's library settings (such as Battle.net, Steam, PlayStation, or Xbox). This package contains all the localized audio files, cinematic voiceovers, and in-game text required to run the game in English.
Sometimes the English pack is downloaded but not properly linked. Re-downloading the "Campaign Content Pack" or "Zombies Content Pack" can resolve this. call of duty black ops cold war english language pack