Windows 8.1 build 9457

Windows 8.1 build 9457 is a build of Windows 8.1, which was uploaded to BetaArchive on 25 December 2019. This build also contains a pseudo-localized version, which is used for testing the internationalization system.

New features and changes

 * The Metro Skype app has been added. It serves as a replacement for the removed Messaging app.
 * The Xbox Music app now uses a brighter color scheme.
 * The Help+Tips app is now displayed correctly.
 * The Start screen layout has been changed once again.
 * The Work Folders applet in Control Panel received its final icon.

Bugs and quirks

 * Title bar text isn't centered on File Explorer and Control Panel windows.