''How can i make firefox 6,0 to look like firefox 3,6?:'' You can make '''Firefox 6.0.2''' look like Firefox 3.6.*, see numbered '''items 1-10''' in the following topic [http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface Fix Firefox 4.0 toolbar user interface, problems (Make Firefox 4.0 thru 8.0, look like 3.6)]. ''Whether or not you make changes, you should be aware of what has changed and what you have to do to use changed or missing features.'' * http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface There is a lot more beyond those first 10 steps listed, if you want to make Firefox more functional. <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>