How to Change or Reset Product Key of Microsoft Office XP, 2003, 2007 and 2010?
Many times you might want to change the product key of Office suite installed in your system. It might be because your product key expired and you got a new one or it might be because you installed Office using pirated key and now you want to change the product key with a genuine one. To change the product key you’ll have to uninstall the Office suite from your system and then reinstall it. But here is a small and simple tutorial which will help you in changing the product key without uninstalling the Office. Change Office XP Product Key: 1. Open regedit and goto: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\10.0\Registration 2. Under “Registration” key, you’ll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format: {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} 3. Select each key and look at “ProductName” key in right-side pane. One GUID key will contain the version number of Office installed in your system “Microsoft Office
