How to Download or Save YouTube video to computer

Hi frnds, 

Many fans asked me that 

how do I download YouTube video to my computer?

So first of all remember one thing, YouTube allows us only to watch videos on internet

but if you want to save videos in your computer then follow these steps:-

1.Copy the link of video from address bar which you want to download.
Example link:- 
https://www.youtube.com/watch?v=zpXf5-fW04c

2. Open the website 

http://www.savevid.com/ 

or
http://keepvid.com/

3.Paste the URL here and click to download, you also have options for choosing format.