|  | Installing Windows XP Professional from a Product CD Lesson Overview
You will perform a new installation, sometimes called a "clean install," when: There is no existing operating system on the partition on which you will install Windows XP Professional. - or - You want to completely remove and replace the existing operating system on the partition. Becoming familiar with the tasks that are necessary for installation and the most common post-installation tasks will help ensure that Windows XP Professional is successfully installed on client computers so that users' work will not be impeded by operating system problems. In this lesson you will learn about the following topics: Running the Setup program Completing the Setup Wizard Installing network components