Do download or run anything labeled:

is the official gateway app on Windows 10 and 11 used to enable Dolby Atmos Microsoft Store Dolby Atmos for Headphones

This is the most popular mode, and the one that drives most users to search for "premium" or "cracked" versions. This feature uses sophisticated software to virtualize a multi-speaker surround sound experience within any pair of standard stereo headphones. By using binaural rendering, it simulates the sensation of sound coming from all directions—above, below, behind, and to the side—creating an incredibly immersive and believable 3D audio space. After a free trial period, this feature requires a one-time purchase that is tied to your Microsoft account and works on up to 10 Windows 10 or Xbox devices.

If you have Dolby-compatible hardware/software but need help enabling features: