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This application allows you to easily change your Windows XP product key number. Simply enter your new valid XP product key into the field provided and press the 'Change Key' button.

The application then :
- Modifies a certain registry value to trick Windows into thinking it has not been activated.
- Makes backups of all your OS's existing activation script files.
- Copies modified versions of these activation scripts to the appropriate locations.
- Executes the Windows Activation Wizard (system32oobemsoobe.exe /a).
- Waits for the Wizard to complete (The wizard will run automatically and completely because of the modified scripts.)
- Rolls back the original script files to their original locations.
- Removes temporary directories and scripts created during the process.

This entire operation should take only few seconds on a moderately quick machine. Once the operation is complete, your copy of Windows XP with new key will be activated when you reboot Windows.