Mac OS X 10.5.0

Mac OS X version 10.5.0 "Leopard" was the sixth release of Mac OS X, Apple’s operating system for Macintosh desktop and server computers. Leopard, released on 26 October 2007 was available as an upgrade to new Apple computers purchased after 1st October 2007 that did not already have Mac OS X 10.5 installed or a Leopard upgrade DVD included.

Leopard was replaced by "Snow Leopard" in late 2009.

Version History
Mac OS X 10.5.5 Released in September 2008

Mac OS X 10.5.4 Released in June 2008

Mac OS X 10.5.3 Released in May 2008

Mac OS X 10.5.2 Released in February 2008

Mac OS X 10.5.1 Released in November 2007

Mac OS X 10.5.0 Released in October 2007