To play Atmos files on a PC, you generally need:
If you download a file but your receiver displays "PCM" or "Dolby Digital" instead of "Dolby Atmos," your device is stripping the Atmos metadata. This usually happens because your media player does not support Dolby TrueHD pass-through. To fix this, try playing the file through a different device (like an Nvidia Shield or directly via USB on a TV). dolby atmos demo downloads
There are three primary categories of sources for downloading Atmos content. To play Atmos files on a PC, you
Direct downloads from Dolby's cloud infrastructure. dolby atmos demo downloads