How to add Dislike Button for facebook

Now a days Facebook has become a part of our life. We share our status, photos,events and many more with friends. We can like and comment others posts.
But you can add dislike button to Facebook by installing add-on or extension to your browser.

How to add Dislike Button for facebook on Mozilla Firefox:

STEP 01: To Download an add-on Please click here.

STEP 02:

You will see this window. Then click install. You will see a pop up window showing message add-on installed succesfully.

STEP 03: Log in Facebook you can see dislike button beside like button.

How to add Dislike Button for facebook on  Google Chrome:

 STEP 01: To Download an add-on Please click here.

STEP 02:   

you wiil see this window. Click add to chrome button at the top.

STEP 03: You will see a pop up window like this.

STEP 04:Log in Facebook you can see dislike button beside like button.