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Step 1
View the CD or DVD diskette. On the diskette is a hologram. If the hologram reads "Only for distribution with a new PC," then the Windows XP version is OEM. If it says "Upgrade," then the installation is just an upgrade, so you will need to have a previous version of Windows installed on the computer before you can use the Windows XP installation diskette.
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Step 2
View the computer case. Many system designers have an OEM sticker next to the serial information on the computer case. The sticker reads "OEM Software" if it is an OEM version of Windows.
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Step 3
View the CD or DVD diskette packaging for the machine. If you bought a pre-configured computer, some manufacturers attach the version to the CD or DVD sleeve. The sleeve reads "OEM Software" if it is OEM.











