I have Windows Vista and I have an ISO for Windows 7 Ultimate. Is it possible for the upgrade to complete if I just run the disc as a mounted ISO in my Vista install? Or do I actually need to burn a DVD?
Windows – Is it possible to upgrade Vista to Windows 7 by mounting the W7 ISO in Vista and not burning a DVD
windows 7windows-vista
Best Answer
You can use Microsoft's special tool to use a USB stick : wudt