How to download youtube videos without any software

Hi friends, here I'm going to tell a simple steps to download youtube videos easily, I hope you'll like this :)

Follow this Very simple steps:

1. Go to YouTube, Open the video that you want to download 
2. Now you have to make a small change in video link [ Replace "www" to "ss"]
     For example http://www.youtube.com/watch?v=LGOIzsNZaPQ
                             http://ssyoutube.com/watch?v=LGOIzsNZaPQ

3. After it will redirect to a new site http://en.savefrom.net 
4. Now you have to choose the format of the video like mp4,3gp,flv and also shows the video quality like 240p,360p,720p,1080p