Mac OS X Version 10.5.6 Leopard

Mac OS X v10.5 Leopard is packed with over 300 new features, installs easily, and works with the software and accessories you already have.
- Introduces over 300 new and enhanced features to OS X, including a new desktop and updated finder enabling easy browsing and sharing between multiple Macs
- Take advantage of the latest developments in processor hardware with full native 64-bit support, multi-core optimization, and new Core animation
- Preview files without opening an application using Quick Look
- Easily and automatically back up and restore lost files or a complete Mac with Time Machine
- Create groups of applications and instantly switch between them with Spaces