Users typically look for one of three types of files under this search term:

To get the English commentary file for on PC, you generally do not need to download standalone files from third-party sites. Instead, you can trigger an official download through your game client (Steam, EA App, or Origin) by changing the game's language settings 1. Triggering the Download via Game Client

If you are uncomfortable with manual file downloads, try this registry tweak to force a re-download of only the English audio:

This is the most difficult part. It is rarely a "drag and drop" situation.