Question: Computer Software? How do change the product key in XP without reinstalling the OS?

Answer: Hi,\n\nTry using the Windows Product Key Update Tool, available here:\nhttp://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx\n\nThis should allow you to put in your now genuine copy's key to overwrite the other one. It should also check the windows system files to make sure they're valid too.\n\nHTH
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