Besides changing the look and feel of your Mac, you can also let your Mac know how you prefer to work by using System Preferences.
System Preferences controls system-wide settings ("global" settings), and is available from the Apple () menu at the upper-left corner of the screen. System Preferences lets you to adjust things like your screen resolution, keyboard control, mouse control, sound, printer settings, sharing settings, accounts, and more.
You can quickly locate the settings you want to change by typing the desired subject in the search field. For example, to change your login password, type "password." The preferences related to password appear below the search field, and one or more preferences are spotlighted in the System Preferences window. Click the item in the list that matches what you want to do, or click one of the spotlighted preferences. The appropriate preference pane opens.
You can also choose View from the System Preferences menu to open any installed System Preference pane.
Third-party software apps may also install their own pane within System Preferences for configuring application settings. See the software specific help within the app for information about settings.
Learn how to:
Customize your trackpad and mouse
Change your sounds
Change your Mac's sleep settings
Change your OS X language