How to install firebug in Mozilla browser?

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

Step 8) Go to https://www.google.co.in and search with text “firebug add-on Mozilla Firefox” and install the Firefox plugin to Mozilla browser.

Step 9) click on “add to firefox”  to install the firebug plugin to Mozilla firefox browser.

Step 10) Press F12 from keyboard to get the firebug windows to inspect the HTML, CSS, Java script or put the debug in javascript/JQuery.

Step 11) Right click on any of the HTML element and choose the option “Inspect Element with firebug” . This will allow to see the source code at firebug console at tab HTML.