Windows 64 Bit Upgrade
# In order to be eligible to receive Windows? XP Professional x64 Edition, your computer must have been ordered between March 31, 2003 and July 31, 2005 with Microsoft Windows? XP Pro (32 Bit) preinstalled.
# By participating in this program, your 32-bit version of Windows® XP Professional will no longer be licensed.
# The installation of Windows® XP Professional x64 Edition requires you to format your hard drive. You must back up your files and settings prior to the installation or they will be erased. Microsoft is not liable for any loss of data as a result of this installation.
# Windows® XP Professional x64 Edition requires 64-bit hardware drivers (32-bit drivers are not supported). Drivers for 64-bit Windows are created at the discretion of hardware manufacturers and may not be available for some of your hardware components.
# For the purposes of the End User License Agreement for your existing Windows® XP Pro (32 Bit) software, your installation of this software will be an "Upgrade."
# The installation of Windows® XP Professional x64 Editions will void any support with your PC manufacturer. One free support call will be provided by Microsoft for any installation-related issues. Additional calls to Microsoft support will be available on a pay-per-incident basis.
# Cost for shipping and handling of upgrade is $12.00 USD for domestic shipments and $22.00 USD for International shipments plus any applicable taxes.