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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 "Components" button, the X.org version and installed desktop components will be displayed, as seen in the example shown in Figure 8.2b.
If you wish to install additional desktops, use the System Packages tab of System Manager.