How to download YouTube video in Desktop and Mobile

#HOW_TO_DOWNLOAD_YOUTUBE_VIDEO_IN_DESKTOP_AND_MOBILE_WITHOUT_ANY_APP
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Frst of all
Got to YouTube video which u want to download
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Copy its url
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And paste into another tab
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Don't press on go
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In mobile version
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Link is
https://m.youtube.com/watch?.........
U need to change "m."
Into "10"
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In Desktop version
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Link is
https://www.youtube.com/watch?......
U need to change "www."
Into "10"
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After changing
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Click on go
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U will see the Web page of 10youtube.com
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In this page u will get the 10 format download menu of any video
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Select as ur Wish
Done !