Windows 8.1 build 9600.16384 (winblue rtm)

Windows 8.1 build 9600.16384 is the official RTM build of Windows 8.1, which was released to manufacturing on 27 August 2013 and then released to the public on 17 October of that year.

New features and changes

 * This build contains a new set of desktop wallpapers that aren't present in any pre-release builds. There is also a new default lock screen wallpaper.
 * The default Start screen layout has been updated.