Apple's new web browser for Windows was downloaded more than a million times in the first 48 hours of its release, the computer group has said.
Steve Jobs had big claims for Safari
The Windows version of Apple's Safari will compete head-on with Microsoft's Explorer and Mozilla's Firefox and expand the 4.9% market share it enjoys.
Steve Jobs launched "the fastest browser on Windows", saying it was twice as fast as Internet Explorer.
It was previously only available for Macintosh computers.
A test version of Safari 3 for Windows XP, Vista and Apple Macs running OSX, is available for download from the Apple website.
Apple is hoping to replicate the success of iTunes, which has proved enormously popular on both Macs and Windows machines.
Security researchers say they have already found numerous loopholes in the browser which might possibly allow attackers access to users' computers.
On Tuesday, Apple issued an update to the program, to fix some of the potential security flaws.