Download video without using IDM or youtube downloader

DOWNLOAD YOUTUBE VIDEOS
WITHOUS ANY SOFTWARES LIKE
IDM / YTD  (SIMPLEST WAY)

* First goto youtube and play the
video you want download.
"GANGNAM STYLE video"
( www . youtube . com/watch?
v=9bZkp7q19f0)

* now to download just replace "
www. with "ss" and hit enter, it
will redirect you to page where
you get download options with
options 360p, 480p 720 p
1080p .


now the URL will be
(ssyoutube.com/watch?
v=9bZkp7q19f0)