Hi
If your system still runs you can use special software to recover your Windows key. Most of them support some versions of Windows and some other Microsoft products. Also there is a products like "Recover Keys" ( Recover Lost Product Keys for Microsoft Windows 2000, XP, 2003, Vista, Office, SQL, Exchange - CD-Key Retrieve - Overview ) that support all Windows versions and 300+ of other major software packages.
If your system still runs you can use special software to recover your Windows key. Most of them support some versions of Windows and some other Microsoft products. Also there is a products like "Recover Keys" ( Recover Lost Product Keys for Microsoft Windows 2000, XP, 2003, Vista, Office, SQL, Exchange - CD-Key Retrieve - Overview ) that support all Windows versions and 300+ of other major software packages.