To install new software, click on the Install icon from the main IIM screen as shown in Figure 22.

通过单击主 IIM 屏幕上的 Install 图标安装新软件，见图 22。

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Once people install the Facebook app, Bobsled installs an icon on their Facebook chat box so that they can click to call any of their Facebook friends.

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When you first install Windows, you should have only one tray icon: the speaker, which lets you change audio volume.

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