以下找到的資料是兩個月前的討論，不行別鞭我!
簡單來講就是驅動的Experimental Features要打開，
另外用VLC可以正常播放此類影片。

At this current time you need to check the Experimental Features option in GFE (3.20.5.48) for HDR recording.

Playback is a different answer depending what codec and player you are using. If using Window's Video Player, Microsoft requires you to have an HEVC license - https://www.microsoft.com/en-us/p/h...vot:overviewtab

VLC should be able to playback without the license, but I'm not sure of the quality and codec they're using.