While it lacks a native Atmos track (as per Christopher Nolan's preference), the 5.1 mix is incredibly aggressive, utilizing the full range of your subwoofer for rocket launches and the "Gargantua" black hole sequence.
If you have downloaded a movie file (usually ending in .mkv , .mp4 , or .avi ) and separate subtitle files (usually .srt ), here is how you set it up.
: This is an uncompressed copy of the disc, providing the absolute best quality.