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The "About" icon of Control Panel can be used to quickly find information about the PC-BSD system. To start the application, double-click its icon in Control Panel or type about-gui. An example is seen in Figure 8.2a.
If you click the "Desktop environments" button, the currently installed desktops and their versions will be displayed, as seen in the example in Figure 8.2c. If you wish to install additional desktops, use Package Manager.