Virtual PC

If you are running Windows Vista or Windows XP on your physical machine,
 you can still use Microsoft Virtual PC 2007 to run multiple operating systems
at the same time on the same physical computer.
 Switch between virtual machines with the click of a button.
Use virtual machines to run legacy applications, provide support, train users,
and enhance quality assurance.

Virtual PC 2007 requires a 400 MHz Pentium-compatible processor
 (1.0 GHz or faster recommended), and requires approximately 35 MB of disk space.
It runs on Windows Vista Business, Windows Vista Enterprise, Windows Vista Ultimate, Windows XP Professional,
Windows XP Tablet PC Edition, Windows Vista Service Pack 1 (SP1) (Enterprise, Business, Ultimate),
 and Windows XP Service Pack 3 (SP3).


                                                   click here to download