Apple Mac OS X v10.5 Leopard Operating System Software MB428Z/A

Add a new Mac to your Mac. 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. Choose a single-user license for home or office.

Or if you have more than one Mac at home, choose the five-user ...Add a new Mac to your Mac. 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. Choose a single-user license for home or office.

Or if you have more than one Mac at home, choose the five-user Family Pack. The 10.5.1 Update is recommended for all users running Mac OS X Leopard and includes general operating system fixes that enhance the stability, compatibility and security of your Mac.