Windows 10 build 9909 (with a build tag of 9909.fbl awesome1501.141213-2119) is a pre-release build of the Microsoft Windows 10 operating system. This build leaked on January 29, 2015.
Windows 10 build 9909 (with a build tag of 9909.fbl awesome1501.141213-2119) is a pre-release build of the Microsoft Windows 10 operating system. This build leaked on January 29, 2015.