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Happily, 4K Video Downloader developers update the code regularly accordingly current YouTube changes. Secondly, YouTube stores separately audio and video track for one video clip and many video downloaders are struggling to download such video correctly. Firstly, they reduced MKV container maintenance, now it’s very rare to find a video in MKV format in high resolution. YouTube provides more and more content in high resolution like 720, 1080 or 4k, however YouTube tries to optimize their hosting cost, this is why they changed the way to store video of 1080p, 720p and 4k video some weeks ago.
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How to download 720p or 1080p video from YouTube
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