Apple declared that the final steady version of Safari has been released after 4 days of the announcement, it has more than 11 million downloads. Apple launched its web browser which is the fastest and most reliable ever built-in the world’s most superior browser technology, which includes new JavaScript engine nitro.

Apple Computer, Inc. today announced that more than 110,000 downloads of Safari 4 has been the first release of a period of three days, including more than 600 million downloads of Safari browser for Windows and it is the world's fastest growing, most innovative browser is built on the world's most advanced browser technology, including new JavaScript engine, nitro JavaScript performance of the nearly 8-fold, that is, 8 and 4 times more than Firefox2 fast 3. Safari browser, fast loading HTML pages more than three times faster than IE 8 and 3 times faster than Firefox 3. And compatible with HTML 4 and which control five off-line technologies and support the CSS application. Safari browser is the only one to pass the Web Standards Project's Acid3 test, according to the report. When OS X Snow Leopard will be available by the September of this year and the zoo 4 will be faster as declared by the company. Safari browser as a result of the nature of 64-bit and run on a separate process.

Wild Animal Park 4 is an incredible success in the Mac and Windows, more than 110,000 downloads during the first three days," Philip Schiller said, Apple's senior vice president and global product markets. "Safari users like an alarming rate and with pioneering features, such as the top site, all the history of search and the Cover Flow feature.

Mac users can download and use Safari 4 to run on any machine for free OS X version 10.4.11 Tiger and 10.5.7 Leopard, and Intel and PPC processor support. Popular sites and the Cover Flow feature in Mac OS X Tiger need quartz extreme compatible video card. For Windows PC users, XP SP2 or Windows Vista requirements. In Mac and PC, the zoo would need at least 256MB of RAM.