Thanks for the reply.

My Windows 7 pro n was a VL. I paid for the windows 8 upgrade on the day it was released. £15 If I recall. So I'm guessing that I have a retail copy of w8.
I have the...

Hi all.
Interesting thread.
My MB won't post. Gigabyte z77x-d3h v1.0 (duel bios) upgrade to w10 from 8.1(paid £15 for w8) pro N. I started with w7 pro n. No problems the with upgrade.
I've...