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How to Play 4K Video in QuickTime on macOS Sierra

In this page, you can learn how to enable QuickTime player open and play 4K video smoothly. As you see, there are more and more cameras like Panasonic GH4, Blackmagic, GoPro, etc can shoot 4K video. While, 4K media files are not supported widely like your computer, media players, mobile or portable devices. And in this Read more