The is a free driver/decoder package from the Microsoft Store. It enables your Windows 11 or Windows 10 PC to play video content encoded in Dolby Vision (an HDR format that adjusts brightness and color scene-by-scene) using native video players like the "Movies & TV" (Films & TV) app or the modern Photos app.

: On many modern laptops (like those from Dell, Lenovo, or Microsoft), the extension comes pre-installed because the manufacturer paid the licensing fee.