Windows 7 demo: Windows XP Mode
Is an incompatible program or device standing between you and a Windows 7 upgrade? If you’re willing to pay for Windows 7 Professional, Enterprise, or Ultimate edition, you might be able to use a clever solution to fool that old code into running in the new OS. Windows XP Mode lets you run Windows XP applications in a virtual machine right on the Windows 7 desktop. ZDNet's Ed Bott provides a close-up look at how XP Mode works.