Introducing Mac OS X Leopard, with more than 300 new features.
Loaded with innovations, Mac OS X Leopard makes the world’s most advanced operating system even better. Organize your files in stacks, browse files with Cover Flow, use Quick Look to preview files without even opening them, go back in time to restore old files with Time Machine,1 send email using personalized stationery, add effects to video chats,2 and much more.
1Time Machine requires an additional hard drive, sold separately. 2Video chatting requires a broadband Internet connection; fees may apply.