Apple's mobile phone has no system preference, and computers have system preference. To change the system preferences on your Mac, click the System Preferences icon in the docking station. , or click the Apple menu and select System Preferences.

Integrate into preferences

Mac-related options are integrated into preferences. Preferences Display icons in the grid; The icons displayed vary depending on the Mac and the installed applications. Click the icon to open the preferences pane and view its options.

Part of the panel is locked.

Some preference panels are locked to protect your Mac. What if the lock at the bottom left of the panel is locked? , click the lock icon to unlock the preferences pane.

Help button

Each preference panel contains configurable options. Most panels contain a help button. , click to learn more about the options.

Custom preferences

You can also customize System Preferences. Hide preferences: choose view > customize, deselect the checkbox of preferences, and then click done at the top of the window. Show hidden preferences: choose view > customize, select the checkbox of the hidden preferences, and then click done at the top of the window. Refresh preferences: choose view > show by category or show alphabetically.