|Windows 8.1 build 9431's Start Screen|
|Kernel version||NT 6.3|
|CPU Architecture||x86, x64, ARM|
|Release date||October 22nd, 2013|
Tami Reller, corporate vice president and chief financial officer of the Microsoft Windows division, announced the release of the Windows 8.1 Developer Preview during the Build Windows conference in June, 2013.
Enhancements have been made to the overall Windows 8 experience, including the reinstatement of the Start button, unified search results, new Start screen customization options, and horizontal application snapping improvements.
Windows 8.1 also includes new Alarm, Calculator, Movie Moments, and Sound Recorder applications. Some of the other new features available in this update include Internet Explorer 11, and a Modern version of File Explorer.
- 6.3.9345.0.winmain_bluem1.130218-1736 - files from this build are present after updating build 9385
- 6.3.9364.0.fbl_partner_out13.130315-2105 - Leaked on 24th March 2013.
- 6.3.9369.0.fbl_partner_out14.130324-1300 - Leaked on 16th April 2013.
- 6.3.9374.0.fbl_partner_out15.130329-2355 - Firstly partially leaked, then fully leaked on 19th April 2013.
- 6.3.9385.fbl_partner_out17.130415-2049 - Leaked on May 1st, 2013
- 6.3.9385.3.fbl_uip_dev2.130326-0847 - files from this build are present after updating build 9385
- 6.3.9391.3.fbl_partner_out18.130426-2000 - files from this build are present after updating build 9385
- 6.3.9394.0 - files from this build are present after updating build 9385
- 6.3.9405.0.fbl_partner_out20.130510-2330 - files from this build are present after updating build 9385
- 6.3.9428.0.winmain_bluemp.130612-1715 - Confirmed to be fake
- 6.3.9431.0.winmain_bluemp.130615-1214 - Official Preview