One of the first builds to support mounting disk images natively. Windows 8 Build 7850 - Install Tutorial
The most reliable source for verified builds is . Their FTP server contains the original, checksum-verified ISO. However, you must be a member with an active forum account to access their FTP. They do this to prevent bandwidth abuse and ensure file integrity. download link windows 8 build 7850 iso
Windows 8 Build 7850 is a significant historical artifact in the development of Microsoft's operating systems, serving as the first leaked build. While it heavily resembles Windows 7, it contains the first "Red Pill" seeds of the controversial Metro interface. Core Technical Profile Full Build String : 6.1.7850.0.winmain_win8m1.100922-1508 . Compilation Date : September 22, 2010. Leaked Date : April 12, 2011, via the BetaArchive forums. One of the first builds to support mounting