Apple Mac OS X v10.5 Leopard User Manual
Upgrading mac os x
1
Mac OS X v10.5 Leopard
Installation and Setup Guide
If you already have Mac OS X v10.3 or later installed on your computer:
All you need to do
is upgrade to Leopard. See “Upgrading Mac OS X” on page 1.
To install a fresh system, erase your hard disk before installing Mac OS X, or install
additional software:
Go to “Custom Installations” on page 4
To find out what version of Mac OS X you have installed on your computer, choose
Apple (
) > About This Mac.
Upgrading Mac OS X
Upgrade to Leopard and start using its great new features. It’s easy—just follow these
steps.
WARNING:
If you’re installing Mac OS X on your current Mac OS X startup disk, let the
installer finish. If you quit, you may not be able to start up using your current
Mac OS X startup disk.