The big change in Win8 is the shift to “Metro-style” apps, targeted especially to mobile and tablet devices. Steven Sinofsky explained the design goal for Windows 8 as “no compromises”, in the sense that Windows 8 will support the old desktop interface together with the new, immersive, Metro-style interface.
From a purely technical point of view, WinRT is the most fascinating aspect of Windows 8. Heavily inspired by .NET, it brings some of the strengths of the managed world to unmanaged C++.
Having downloaded and installed the first prerelease I feel like a kid with a new toy to break and put back together. What I hope to do in these pages is to present a few notes of my little exploration of Win8 and its new runtime.