Apple has announced that its latest version of its Safari browser has been downloaded more than 11 million times in the first three days of its release.

This figure, Apple is no doubt delighted to reveal, includes more than six million downloads of Safari for Windows.

Safari 4 uses the new Nitro JavaScript engine that claims to executes JavaScript nearly eight times faster than IE 8 and more than four times faster than Firefox 3.

"Safari 4 is an incredible success on Mac and Windows with more than 11 million downloads in the first three days", said Philip Schiller, Apple's senior vice president of worldwide product marketing.

"Safari users love the incredible speed and innovative features like Top Sites, Full History Search and Cover Flow".

Safari 4 is available for both Mac OS X and Windows as a free download at