Apple MacBook Air (Late 2008), (Mid 2009) - Manual (Page 14)

14 Chapter 1 Ready, Set Up, Go
Step 4: Customize the Mac OS X desktop and set preferences.
You can quickly make the desktop look the way you want using System Preferences.
Choose Apple ( ) > System Preferences from the menu bar or click the System
Preferences icon in the Dock. System Preferences is your command center for most
settings on your MacBook Air.
Menu bar
System Preferences icon Dock
Spotlight search icon Help menu
Finder icon