Set new tab page as new firefox browser in mozila

I am going to teach you " How to Set new tab page as new firefox browser in mozila".

step-by-step process:

1) open your firefox browser.

2) Type about:config in address bar  & press enter.

3) Then you need to accept the warranty info like I'll be careful, I promise!  . 

4) After accept in search text you need to write newtab.url.

5) Then double click on browser.newtab.url then you get a small info dialog as "enter string value"  .

6) copy & paste this 

                             chrome://browser/content/browser.xul

7) and last click on ok button. 

That's it...now your's new tab is as a firefox   browser.

your browser is loking like this