OS X 10.5 Leopard has multiple installation options, including Upgrade Mac OS X, Archive and Install, and Erase and Install.
This tutorial will guide you through the Upgrade Mac OS X option.
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The alternative way to start the install process is to boot directly from the DVD, without first mounting the installation DVD on your desktop.
Use this method when you’re having problems and you’re unable to boot to your desktop.
This update: • Improves compatibility with certain email servers when using Mail • Fixes an issue in Photos that prevented importing videos from Go Pro cameras • Fixes an issue in Quick Time Player that prevented playback of Windows Media files Those who follow security news will be interested to know the security notes accompanying the update mention the DYLD exploit has been patched “A path validation issue existed in dyld.
Specifically, if you’re experiencing unusual application crashes, freezes, or even your Mac shutting down unexpectedly, it’s a good idea to try to correct these problems before performing an upgrade.
After it restarts, your Mac will guide you through the installation process.
Although the guided instructions are usually all you’ll need for a successful installation, we’re going to take a little detour and use Apple’s Disk Utility to make sure that your hard drive is up to snuff before you install your new Leopard OS.
With the installation completed, your desktop will display, and the OS X 10.5 Leopard Setup Assistant will start by displaying a ‘Welcome to Leopard’ movie.
When the short movie is completed, you’ll be directed through the setup process, where you can register your installation of OS X.