J just21 May 26, 2015 #4 If you use the technical preview it will upgrade to the release version without re-installation for free. Not sure if the release version is free if you do not have windows 7 or 8.1 already installed.
If you use the technical preview it will upgrade to the release version without re-installation for free. Not sure if the release version is free if you do not have windows 7 or 8.1 already installed.
