” For 64-bit the key is located at HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Registration all you need to do is delete the whole “Registration” key or rename it to “Registration.old” I just renamed mine.
For 32-bit the key is located at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Registration
Then you can image the computer. When the image boots on the new computer for the first time when you open office it will prompt for a new key. Note: Make sure when you install office before you image to un-check the box to active the product (On the screen that you type in the product key). That way you don’t blow up the license. ”