HOW TO DOWNLOAD YOUTUBE VIDEOS WITHOUT USING ANY APP??
 

THIS IS VERY SIMPLE TRICK. FOR THIS YOU NEED NOT HAVE ANY SOFTWARE.
FOLLOW THE FOLLOWING STEPS TO DOWNLOAD A VIDEO

1)GO TO YOUTUBE.COM SELCT ANY VIDEO COPY ITS LINK
FOR EXAMPLE:-

http://www.youtube.com/watch?v=poEwkIPKn3w&feature=related 

2)NOW PASTE THE LINK INTO ADDRESS BAR IN YOUR BROWSER AND PUT KICK IN BETWEEN WWW. AND YOUTUBE.COM IT WILL APPEAR 
WWW.KICKYOUTUBE.COM/.......
EG;-
http://www.kickyoutube.com/watch?v=poEwkIPKn3w&feature=related


OR YOU CAN ALSO PUT 12 BETWEEN WWW.YOUTUBE AND .COM AS IN WWW.YOUTUBE12.COM/...

EG:-
http://www.youtube12.com/watch?v=poEwkIPKn3w&feature=related