Question: 4k video how to play?
Answer: Open your video in a video player that supports 4K. Windows - You can use the Movies & TV app to watch 4K videos. Right-click your 4K video, select Open with, and click Movies & TV. Mac - You can use QuickTime to play 4K videos. Click your 4K video, click File, select Open With, and click the QuickTime option.