Windows 8.1 build 9600.17238

Windows 8.1 build 9600.17238 is the official RTM build of Windows 8.1 Update 2, also known as the August Update, released on 12 August 2014. A new start menu and support for windowed metro apps were planned to be implemented in this update. However, Microsoft decided to postpone the aforementioned features and later implement them in Windows 10.