Leopard - Installed! Summary: A walk-through of the Max OS X 10.5 upgrade process - start off with Tiger, end up with a Leopard! By Adrian Kingsley-Hughes | October 27, 2007 -- 06:36 GMT (23:36 PDT) Follow @the_pc_doc Previous | Next Image 19 of 30 Satisfying Apple's desire to know everything about me. Topic: Apple Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.