My laptop originally had 7, then wiped off and the IT guy put 10, and it was so loathesome that I insisted to have the 10 taken off and 7 back on. IT guy has everything so he put a different 7 on (my original was gone). DH got a laptop last year with 10 on it and IT guy wiped it all off and installed 7, apparently it is not easy to do, but can be done.
That ay be the thing to do.