If your version of Modern Warfare 3 isn't set to English by default, or if you've accidentally changed it to another language, downloading an English language pack can help. This is particularly useful for:
When searching for "Download Modern Warfare 3 English language pack," you will encounter dangerous sites. Avoid:
Only download from:
Always scan every .exe, .dll, or .iwd file with VirusTotal.
Note: The following is for educational purposes regarding file management.
If you have a version of the game missing the English audio (common with specific regional physical discs), you may need to source the English files and place them in the game directory.