Clean Install from Inside Windows, Step by Step If you initiate the Setup routine from within Windows XP or Windows Vista, the step-by-step procedure is as follows: 1. Insert the Windows 7 DVD into your computer's DVD-ROM drive. It should AutoPlay and present the Install Windows dialog box. If not, locate and double-click the setup.exe program in the Sources folder on the DVD. 2. To download, install, and use the Windows 7 Upgrade Advisor, click the Check Compatibility Online link. Otherwise, to begin the in-place upgrade to Windows 7, click the Install Now link. 3. In the Get Important Updates for Installation dialog box, you are asked whether you want to download updates to the Windows 7 install files. Typically, for computers that have an active Internet connection, you're better off getting the updates. Make your selection by clicking it. 4. In the Please Read the License Terms dialog box, ensure that you read and understand the End User Licensing Agreement (EULA). ...