Windows 10 is a better Windows 7 — if you can get the upgrade to work

Once you get it running, Windows 10 provides a slick new look to your Windows 7 machine -- but getting there is no small feat.

from ExtremeTech http://www.extremetech.com/computing/215451-windows-10-is-a-better-windows-7-if-you-can-get-the-upgrade-to-work