You can free up hard disk space by uninstalling the practice files that were installed from the companion CD. The uninstall process deletes any files that you created in the Documents\Microsoft Press\2007OfficeSBS chapter-specific folders while working through the exercises. Follow these steps:
On the Windows taskbar, click the Start button, and then click Control Panel.
In Control Panel, under Programs, click the Uninstall a program task.
In the Programs and Features window, click 2007 Microsoft Office System Step by Step, Second Edition, and then on the toolbar at the top of the window, click the ...