Windows 8.1 build 9431 is the official Milestone Preview build of Windows 8.1. This build was compiled on June 15th, 2013. Microsoft released this build on June 26, 2013.
Windows 8.1 build 9431 is the official Milestone Preview build of Windows 8.1. This build was compiled on June 15th, 2013. Microsoft released this build on June 26, 2013.