Mozilla Firefox 4

The latest version firefox 4 has released vew days ago, Improved Interface and Performance. In new firefox 4 browsing tabs have move top of firefox, you can turn it off by choosing View > Toolbars > Tabs on Top. Tabs are above the Awesome Bar to make it easier to focus on the content of the sites you visit.Firefox Button in one menu drop down, all your menu items are now found in a single button