How to change the favicon in wordpress

Favicon is the icon that shows in the statring of the tab, Something like this

In this picture you can see the favicon of the word press , you can cahnge it according to your need

and requiremet.

Favicon should be of 

 -> 32 x 32 size
 -> with extension of 32 x 32

You can generate your favicon here

     http://www.favicon.cc/

Now the task is how can we change the favicon 

Step : 1  

go to your admin panel , your access to admin panel will be as 

http://www.yourblog.com/wp-admin

Step : 2

->Select apperance on the dashboard 

-> Then select Editor from it's options 

-> open head.php from the right side

-> Find these lines
Starting

<link rel="icon"

and end at something like this

 href="link/favicon.ico">

overwrite these lines by this

<link rel="shortcut icon" href="http://example.com/favicon.ico" type="image/x-icon"/>