As always, proceed with caution where the Windows Registry is concerned.
But here is good practice just the wheels come off the cart at some point.
You can do this via the regedit command:
Type regedit in the Start menu RUN box, then
choose File > Export from the resulting Registry Editor window. Make sure All is selected under Export range.
m-d-year and save it to the root of c:\
If you need it, it will be not in the windows environment, so will want it readily avail.