How to Upgrade XP Pro to 64 Bit

Windows XP comes in Home and Professional versions, as well as 32- and 64-bit versions. Upgrading your Windows XP Pro 32-bit installation to a 64-bit version will enable your computer to use more than three gigs of system RAM, improving performance. Accomplish this by overwriting your current installation with the 64-bit OS files.

Things You'll Need

  • Windows XP Pro 64 CD
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Instructions

    • 1

      Insert the XP Pro 64 CD into the computer. Restart the computer.

    • 2

      Press any key when prompted to boot from CD.

    • 3

      Press "Enter" at the Welcome screen and "F8" at the license terms.

    • 4

      Highlight the drive containing XP Pro 32-bit and press "Enter," installing 64-bit XP Pro in its place.

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