This build is notable because, despite being meant for the next generation of Windows, it still looks and behaves very similarly to Windows 7. It serves as a "hidden" bridge, showing that Microsoft initially focused on under-the-hood performance, API changes, and kernel improvements before unveiling the dramatic Modern (Metro) UI. Key Features of Build 7850
If you decide to proceed with downloading from a third-party source: download link windows 8 build 7850 iso
