How to Find the Windows XP Disk Serial Number

Written by mikhailauna bulba
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How to Find the Windows XP Disk Serial Number
The Microsoft Windows XP serial number, or Product Key, is easy to locate if you know where to look. (dvd image by Tribalstar from

Microsoft provides many types of software, including Windows XP, one of the company's operating systems. The Windows XP disc comes with a serial number, more commonly referred to as a Product Key. If you ever have a major issue with the operating system, you might have to reinstall Windows XP. The Product Key is required in order to reinstall Windows XP.

Skill level:

Things you need

  • Microsoft Windows XP CD or DVD case/sleeve

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  1. 1

    Locate the case or the sleeve for your Microsoft Windows XP disc. Usually, the Product Key will be on the case or sleeve, printed on an orange or yellow sticker. There are 25 characters in a Microsoft Product Key, and the characters are usually divided into five groups of five.

  2. 2

    Check your computer unit for the Product Key. If you had Windows XP preinstalled by the computer manufacturer, the Product Key might be printed on a sticker on the unit.

  3. 3

    Contact Microsoft customer support at 800-642-7676 if you cannot find your Product Key. In order to get a replacement Product Key, Microsoft might need information from your XP software disk or from your computer.

Tips and warnings

  • Store your Windows XP Product Key and discs in a safe place. If the Product Key is lost, you might have to pay a fee to get a new one.

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