Apple yesterday released final version of Safari 4 claiming it to be the fastest browser on world .A new feature in Safari 4 called Nitro engine executes JavaScripts about 8 time faster than internet explorer and 4 time faster than Mozilla Firefox ,and thus it improves the overall browser speed . Safari 4 final comes out with credit of being the first and only cross platform browser to pass ACID browser compliance test 3 100/100 . Notable change from Safari 4 beta is the tab orientation  .Tabs are now placed under the URL bar for the final version . Totally there are about 150 changes in new Safari 4 final version . Download Safari 4 final

Safari 4 final

Safari 4 final features

Full Safari 4 final features and change log can be found here .

Safari 4 is a cross platform browser available for Mac OS X and Windows based PC

Download Safari 4 final(Windows)
Download Safari 4 with QuickTime
Download Safari 4 final Mac OS X .