Windows 7 Upgrade Advisor

Windows 7 Upgrade Advisor
In general, if your PC can run Windows Vista, it can run Windows 7. But if you're not running Windows Vista, or are just not sure if your system is ready to run Windows 7, there's a quick way to do a simple check.

Just download, install, and run the Windows 7 Upgrade Advisor Beta. You'll get a report telling you if your PC can run Windows 7, and if there are any known compatibility issues. If the issues can be resolved, you'll get suggestions for next steps. For example, it'll let you know if you need an updated software driver. You'll also get advice on how to upgrade to Windows 7.

Note: Information about your computer will be sent back to Microsoft; however, no information will be used to identify or contact you. For more information, read our privacy statement.

Before you begin
Before you run the Windows 7 Upgrade Advisor beta, be sure to plug in any USB devices or other devices such as printers, external hard drives, or scanners that are regularly used with the PC you're evaluating.

http://www.microsoft.com/windows/windows-7/upgrade-advisor.aspx