How to download youtube video without using any software

It is very easy tricks to download youtube video without using any software.

Step 1:
Go to youtube URL which you want to download.(for example i want to download this video http://www.youtube.com/watch?v=S07w4JjtD5U   )

Step 2:
Enter the "ss" before the youtube.com and hit the Enter key.(your url will look like http://www.ssyoutube.com/watch?v=S07w4JjtD5U  )

Step 3:
Select the video format and download the video.

download will start automatically once you selected the video format.