Need to find a windows product key check out this
ProduKey is a portable free application designed to show you the product keys of Microsoft operating systems and popular software like Microsoft Office, Exchange Server and SQL Server. This feature is handy but we have seen similar functionality in old repair tools of the week like Magical Jellybean Key Finder. However, Produkey has a nice feature for us computer technicians. It has the ability to get the keys off another harddrive or even from another computer over the network.
More Info and Download ... » Repair Tool of the Week: ProduKey - Technibble - A Resource for Computer Repair Technicians & to get PC tech support help.