Multimedia downloads should be for time-shifting or device-shifting purposes and for personal, non-public, non-commercial uses only.
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YouTube downloading apps usually are not the only method to save your favorite movies.

Many apps will provide superior functionality at no cost (although, with dubious legality, advertisements and hidden fees).
The disadvantage of WinX is that it doesn’t help multi-stream downloads, and can’t save subtitles on the similar time.
Its main panel shows the standing of your download as it is downloading.