You can watch purchased 4K UHD quality movies using Chromecast, Xbox, Play station and supported devices. More info: https://goo.gl/u1t6Ws . Hope this helps!
@TeamYouTube I bought the "Darkest Hour" movie 4k version and I can only watch 1080p on both Chrome and Safari. Please help.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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