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\BuildingWebAppsSBS folder while working through the exercises.
Follow these steps:
Click the Start button, and then click Control Panel.
In Control Panel, under Programs and features (Vista) or Add or Remove Programs (Windows XP), click the Uninstall a program task.
Select Building Web Apps with SharePoint Designer SBS, and click Uninstall.
Follow the prompts asking you to confirm the uninstall.
After creating a list from a sample .stp file, you can remove that template from the List Gallery by performing ...