Windows 10 build 9906 (with a build tag of 9906.winmain prs.141209-1616) is a pre-release build of the Microsoft Windows 10 operating system. This build leaked on January 29, 2015.
Windows 10 build 9906 (with a build tag of 9906.winmain prs.141209-1616) is a pre-release build of the Microsoft Windows 10 operating system. This build leaked on January 29, 2015.