Apple today announced that more than 11 million copies of Safari 4 have been downloaded in the first three days of its release, including more than six million downloads of Safari for Windows. Safari 4 is the world's fastest, most innovative browser and is built on the world's most advanced browser technologies including the new Nitro JavaScript engine that executes JavaScript nearly eight times faster than IE 8 and more than four times faster than Firefox 3. Safari quickly loads HTML web pages more than three times faster than IE 8 and three times faster than Firefox 3.