Microsoft Windows 10, 10.0.10049.0


General information
File format
  • Electronic Software Download (.ESD)
Bootable No
Architecture x64, x86
  • Arabic
  • Chinese Simplified
  • Chinese Taiwan
  • Czech
  • Dutch
  • English
  • English United Kingdom
  • Finnish
  • French
  • French (Canada)
  • German
  • Italian
  • Japanese
  • Korean
  • Polish
  • Portuguese Brazil
  • Russian
  • Spanish
  • Spanish (Mexico)
  • Swedish
  • Thai
  • Turkish
  • Education
  • Enterprise
  • Pro

Install information
Full buildtag 10.0.10049.0 (fbl_impressive.150325-1700)
BIOS date 26/03/2015
Timebomb 01/10/2015 (+189 days)
Product Key Technical Preview: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
Technical Preview for Enterprise: PBHCJ-Q2NYD-2PX34-T2TD6-233PK


This build includes Project Spartan. The app Alarms has been renamed Apps & Clocks and is white. The Calculator and Voice recorder are also slightly updated such as a white background.

When using this build on battery there is a new pop-up for the battery icon.


x64 Enterprise (ESD)
SHA-1 English: 6EC474581BFD176D526CC4FFFF56721790033E5B

x86 Enterprise (ESD)
SHA-1 English: 372CDB53C553D9117BA35EAC3CD92720CA58293B

x64 Professional (ESD)
SHA-1 English: 93BCA921D030E35A5C5086F01DEC0C2583CBA8F8

x86 Professional (ESD)
SHA-1 English: E9BB3218C33C91998372B64C68B67C5E7DCE6171


Fix: Mail, Calender and People Apps (Windows Communications Apps)
Open powershell.exe as Administrator.
Run Get-appxprovisionedpackage –online | where-object {$_.packagename –like “*windowscommunicationsapps*”} | remove-appxprovisionedpackage –online
Type WSReset.exe and reinstall the Mail, People and Calender App.

Screenshots (321)

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