1. Type about:config in the address bar and press Enter.
2. Type keyword.URL in filter and double-click on the displayed line. You will note that the default value is something like:
3. Change it to the following string: http://www.bing.com/search?q=
5. Hit OK and close the browser tab.
You are done. Now you can use Bing to search using your address bar, instead of BOOgle!!