It will also help you to choose the edition of Windows Vista that's right for you. Download the Upgrade Advisor to run an analysis of your current PC and use the detailed feedback to ensure that your PC is ready for the edition of Windows Vista that you want.

System Requirements
Supported Operating Systems: Windows XP Service Pack 2
A minimum of .NET Framework 1.1 and MSXML 4.0

Instructions
Click the Download button on this page to start the download
Do one of the following:
- To start the installation immediately, click Run.
- To save the download to your computer for installation at a later time, click Save.
- To cancel the installation, click Cancel.