Since MW3 runs inside the Call of Duty HQ app, sometimes the main Steam settings don't apply immediately. You must change it inside the game interface:
The English pack also serves non-native English speakers as a learning tool. Subtitles can be enabled separately. On PC, the pack is distributed via Steam/Blizzard launchers as optional DLC (~2.1 GB). Missing or corrupted English pack files cause silent cutscenes but retain gameplay sounds. call of duty mw3 english language pack
Common user issues (forums 2011–2023): Since MW3 runs inside the Call of Duty
Even seasoned players run into issues with the Call of Duty MW3 English Language Pack. Here are the top three problems and their solutions. The English pack also serves non-native English speakers