Up until now every new build has been a full install of Windows overtop of the existing one it will likely shift to a Windows Update style where just components are updated rather than the entire OS. … two weeks until launch, and the RTM build.will be shipped to OEMs to use as the basis for them to install on new hardware. Another point to make is that this build has been released to both the fast and slow rings at the same time. One obvious change that signals this is not a typical beta build is that the Windows Version watermark in the bottom right corner of the screen is now gone.
