Windows 10 build 10049

10.0.10049.0.fbl_impressive.150325-1700
Build of Windows 10
Screenshot
OS familyWindows NT
Version number10.0
Build number10049
Build revision0
Architecturex86, x64
Build labfbl_impressive
Compiled on2015-03-25
Expiration date
Timebomb2015-10-01 (+190 days)
About dialog
Windows10-10.0.10049tp-About.png
TCB.png TCBGallery.png

Windows 10 build 10049 is the sixth Technical Preview build of Windows 10, which was released to Windows Insiders in the Fast Ring on 30 March 2015.[1]

This build serves as an update to build 10041 (fbl_impressive) and is the first publicly available build to include Project Spartan (now known as Microsoft Edge).

Editions and keys[edit | edit source]

Edition / SKU Name Key
Core 334NH-RXG76-64THK-C7CKG-D3VPT
CoreSingleLanguage 2NCXJ-T36QP-HQMH2-9672W-WBYW3
CoreCountrySpecific NQ4B7-4W72M-PV67K-QVRMF-QGH82
Professional NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
ProfessionalWMC (edition upgrade only) GBFNG-2X3TC-8R27F-RMKYB-JK7QT
Enterprise PBHCJ-Q2NYD-2PX34-T2TD6-233PK
Education (edition upgrade only) NCQDD-DCDRV-HRG6J-4F7PF-TVJDF

New features and changes[edit | edit source]

User interface[edit | edit source]

  • Project Spartan is now pinned to the taskbar by default, replacing Internet Explorer.
  • Alarms & Clock, Calculator, and Voice Recorder received major updates.
  • The local drive is no longer displayed on the navigation pane in File Explorer.
  • New glyphs have been introduced into File Explorer and Settings.

Bugs and quirks[edit | edit source]

Applications[edit | edit source]

The People, Mail, and Calendar applications fail to launch in this build as they do not install properly.

Gallery[edit | edit source]

References[edit | edit source]