thanks to https://github.com/truedread/netflix-1080p
Microsoft Store:
https://microsoftedge.microsoft.com/addons/detail/oikpkeeoofpiapmjioabikmgjeaoggcn
This extension provides the following functions
1, all languages (audio and sub,if any)
2, Automatically select best bitrate available
In different hardware/software, your experience is different
In win10-64bit>1909 and edge browser(Non-portable)
1, Max 4K. About 4K
2, DDplus, Atmos(if any) Audio
3, Use AVC, NOT AvcHigh video code
4, Use "Dolby Vision" Profiles for HDR (May need NVIDIA 20 series and above graphics cards, and Dolby Vision TV)
Other OS And Browser(Includes portable edge)
1, Max 1080P
2, HE-AAC Audio (lower than DDplus)
3, Avchigh code can be use
ATMOS is very, very amazing
https://www.netflix.com/search?q=ATMOS
enjoy