Downloading an audio track separately for a commercial film like Prisoners (2013) is generally not supported through official channels because audio is protected by the same copyright laws as the video itself. However, you can legally download the entire movie with its English audio track for offline viewing or extract the audio from a legal copy you own. Official Platforms for Downloading "Prisoners"
These services allow you to download the movie for offline viewing, which includes the high-quality English audio track: Amazon Video : Offers the movie for rent or purchase in HD with the English track included. Apple TV Store buy or rent a digital copy that supports English and French audio. Fandango at Home (Vudu) : Available for digital purchase Prisoners Movie English Audio Track Download
: Available to buy or rent with high-definition English audio. Amazon Prime Video Downloading an audio track separately for a commercial