We'll see. MS claims I won't (http://winsupersite.com/windows-10/windows-technical-preview-users-should-be-able-upgrade-rtm-version-windows-10 http://winsupersi

We'll see. MS claims I won't (http://winsupersite.com/windows-10/windows-technical-preview-users-should-be-able-upgrade-rtm-version-windows-10 http://winsupersite.com/windows-10/windows-technical-preview...). However, now in 2015 I can set up a Windows box in an hour or so thanks to Chocolatey (and to the coming OneGet). (I have actually upgraded to 8.1 CTP I think, then continued all the way to 10)