• Support for Windows Vista without any service packs will end on April 13, 2010.
    If you’re running Windows Vista without any service packs and you’re not ready to upgrade to Windows 7, you should install Windows Vista Service Pack 2 (SP2), a free update.

    Windows Vista SP2 includes support for new types of hardware and includes all of the updates that have been released since Windows Vista SP1.

    Get Service Pack 2 for Windows Vista, it’s free!
    http://windows.microsoft.com/en-us/windows-vista/Learn-how-to-install-Windows-Vista-Service-Pack-2-SP2

  • Support for Windows XP with Service Pack 2 (SP2) will end on July 13, 2010.
    If you’re running Windows XP with Service Pack 2 (SP2) and you’re not ready to upgrade to Windows 7, you should install Windows XP Service Pack 3 (SP3), a free update.

    Windows XP SP3 includes all previously released updates and a small number of new updates. It won’t significantly change the Windows XP experience.

    Get Service Pack 3 for Windows XP, it’s free!
    http://windows.microsoft.com/en-us/windows/help/learn-how-to-install-windows-xp-service-pack-3-sp3