Windows 8.1 build 9600.17031

Windows 8.1 build 9600.17031 is the official RTM build of Windows 8.1 Update 1. It was released on 8 April 2014.

New features

 * When you hover over the top of a Metro app, Windows shows a title bar with minimize and close buttons.
 * Right-clicking on the Start screen opens up a menu instead of the touch-oriented controls at the bottom.
 * The "Go to the desktop instead of Start when I sign in" feature in Taskbar and Navigation Properties first introduced the original release is now enabled by default.
 * You can pin Metro apps to the taskbar.
 * A power button has been added next to the search button on the start screen.
 * SkyDrive is renamed to OneDrive (you can also get this in Windows 8 and Windows 8.1 RTM (without Update 1) by updating the SkyDrive app via the Windows Store).
 * The default media player and photo viewer has been changed to Windows Media Player and Windows Photo Viewer respectively.