In this article, we will discuss the process of changing the CD KEY of Windows XP on a Windows environment. Changing the CD KEY is important for various reasons, such as activating a legally purchased copy of Windows XP or resolving issues related to product key validation. This article will guide you through the necessary steps to change the CD KEY on Windows XP, ensuring a smooth and hassle-free process.

Examples:

1. Using the Windows Registry Editor:

   • Press the Windows key + R to open the Run dialog box.
   • Type "regedit" and press Enter to open the Windows Registry Editor.
   • Navigate to the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WPAEvents.
   • Double-click on the "OOBETimer" value and change at least one digit.
   • Click OK and close the Registry Editor.
   • Open the Run dialog box again and type "oobe/msoobe /a" to open the Windows Product Activation wizard.
   • Select the option to activate Windows over the Internet or by phone.

2. Using the Windows Activation Wizard:

   • Click on the Start menu and go to All Programs -> Accessories -> System Tools.
   • Click on the "Activate Windows" option to open the Windows Activation Wizard.
   • Choose the option to activate Windows over the Internet or by phone.
   • Follow the on-screen instructions to complete the activation process.