How to Download youtube videos without any software ??

Follow the 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 "www.ss"]

For example youtube.com/ watch?v=xxxxxx is the video you want to download.

Now Change it to ssyoutube.com/ watch?v=xxxxxx

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.