They have changed how you get to the utility several times in the last two years, but it has always been identified as Windows 7. Anyway, that is what I use.
Currently, if you have a Recovery drive with the System files copied over, you can reinstall your system as far as Win 10 goes. But I don't believe that will recover your personal programs and data. So using a System Image is the only way I know of to put your system back just like it is..