This part includes a section on how to install and upgrade iLife. And while this section is geared toward the novice Mac user, it is essential for all users to check for updates to their apps on a regular basis. This section covers two approaches for installing apps. It begins with the more commonly used approached, describing the steps required to install software from a program CD/DVD. It then tackles the method that Apple hopes will be the approach of the future—downloading and installing apps from the App Store. Finally, this part will cover checking for updates to your programs or OS. This is essential to keeping your Mac running without incident or gaining access to new features.