You can customize Firefox 4 to look like your older version. You can either download the add on https://addons.mozilla.org/en-US/firefox/addon/status-4-evar/ for progress/status etc. You can click on Firefox>Options>Menu bar (Click that and your menu bar with Tools will appear). You can even customize your firefox 4 to look like firefox 3.6,x version by seeing the following link- http://support.mozilla.com/en-US/kb/how-do-i-customize-toolbars#os=win&browser=fx4 Or if you want to go back to older version, you can follow instructions given here- http://support.mozilla.com/en-US/questions/824643?s=how+to+go+to+older+firefox&as=s