Windows 10 build 9841 (fbl release)

Windows 10 build 9841 (fbl_release) is the first officially released and the first publicly available Technical Preview build of Windows 10. This build was first demonstrated on 30 September 2014 by Microsoft at a press conference,Microsoft. Microsoft unveils the future of Windows, Microsoft News Center. 30 September 2014. and later released to users who joined the Windows Insider Program the next day, along with its server counterpart. This build was originally released in the American and British variants of English, Brazilian Portuguese, and Simplified Chinese. The German versions were later leaked on 2 July and 19 September 2015 respectively, alongside with the Korean, Japanese, and Traditional Chinese versions on the same day.
==Editions and keys==
Edition / SKU Name 	Product key
Core 	334NH-RXG76-64THK-C7CKG-D3VPT
Pro 	NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
ProfessionalWMC (edition upgrade only)	GBFNG-2X3TC-8R27F-RMKYB-JK7QT
Enterprise 	PBHCJ-Q2NYD-2PX34-T2TD6-233PK
== New features and changes== 
*Desktop Control Panel link in Settings has been removed.
==Bugs and quirks==
===Windows Media Center===
Adding Windows Media Center to this build via a purchased Windows 8.1 product key, the system subsequently identifies itself as running "Windows 8.1 Pro with Media Center", along with a warning that the OS has not been activated.Microsoft Community
=== Window thumbnail border color error===
If window auto-colorization is enabled, the window thumbnail borders on the taskbar do not change color even after the wallpaper changes. This issue can be remedied by manually changing the window color through the Control Panel or restarting Windows.
==Gallery==
Win8boot.png|Boot screen
===English language variant===
====Setup====
9Tech-002.png|Language selection
9Tech-003.png|Setup
9Tech-005.png|EULA
9Tech-006.png|Installation type
9Tech-007.png|Drive selection
9Tech-008.png|Copying files
9Tech-009.png|Getting files ready for installation
====Interface====
Windows10-6.4.9841-LockScreen.png|Lock screen
Windows10-6.4.9841-LoginScreen.png|Login screen
Windows10-6.4.9841-StartMenu.png|Start menu
9841-StartScreen.png|Start screen (old)
Windows10-6.4.9841-TaskView.png|Task view
Windows10-6.4.9841-CharmsBar.png|Charms bar
Windows10-6.4.9841-Settings.png|PC Settings app
Windows10-6.4.9841-IE.png|About Internet Explorer 11
Windows10-6.4.9841-Debug-winver.png|winver of the debug compile
9841-demo2.png|Demo
====Pro with Media Center SKU====
Windows10-6.4.9841-ProWMC-Desktop.png|Desktop
Windows10-6.4.9841-ProWMC-StartMenu.png|Start menu
Windows10-6.4.9841-ProWMC-WinMediaCenter.png|Windows Media Center
Windows10-6.4.9841-ProWMC-WinMediaCenterAbout.png|About Windows Media Center
Windows10-6.4.9841-ProWMC-winver.png|winver
===Brazilian Portuguese language variant===
====Setup====
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-Setup.png|Language selection
File:Windows 10 build 9841-2022-10-07-00-26-37.png|Setup
File:Windows 10 build 9841-2022-10-07-00-26-50.png|Please wait in setup
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-EULA.png|EULA
File:Windows 10 build 9841-2022-10-07-00-27-10.png|Getting files ready for installation
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-Getting-ready.png|Getting ready
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-OOBE.png|OOBE
File:Windows 10 build 9841-2022-10-07-00-33-10.png|OOBE - Name
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-Post-OOBE.png|Post-OOBE
====Interface====
File:Windows 10 build 9841-2022-10-07-00-33-18.png|Welcome
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-Start-menu.png|Start menu
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-Start-screen.png|Start screen (old)
File:Windows-Technical-Preview-build-9841-Brazilian-Portugese-System-Properties-and-Winver.png|System properties and winver 
=== Korean language variant ===
File:Windows10-6.4.9841-Korean-Setup1.png|Setup
File:Windows10-6.4.9841-Korean-Setup2.png|OOBE
File:Windows10-6.4.9841-Korean-Setup3.png|Post-OOBE
File:Windows10-6.4.9841-Korean-Lock.png|Lock screen
File:Windows10-6.4.9841-Korean-Desk.png|Desktop
File:Windows10-6.4.9841-Korean-About.png|About dialog
File:Windows10-6.4.9841-Korean-Start.png|Start menu
File:Windows10-6.4.9841-Korean-IE.png|Internet Explorer 11 - About
===Simplified Chinese language variant===
====Setup====
File:Windows 10 Chinese Beta-2022-10-07-13-32-52.png|Language selection
File:Windows 10 Chinese Beta-2022-10-07-13-32-57.png|Setup
File:Windows 10 Chinese Beta-2022-10-07-13-33-02.png|Please wait in setup
File:Windows 10 Chinese Beta-2022-10-07-13-33-29.png|EULA
File:Windows 10 Chinese Beta-2022-10-07-13-33-33.png|Installation type
File:Windows 10 Chinese Beta-2022-10-07-13-33-37.png|Drive selection
File:Windows 10 Chinese Beta-2022-10-07-13-35-22.png|Getting files ready for installation
File:Windows 10 Chinese Beta-2022-10-07-13-36-30.png|Reboot
File:Windows 10 Chinese Beta-2022-10-07-13-37-17.png|Getting ready
File:9841 zh cn setup settings.png|OOBE
====Interface====
9841 zh cn winver.png|System properties and winver
===German language variant===
====Setup====
9841-OOBEGerman.png|OOBE
====Interface====
9841-LockscreenGerman.png|Lock screen
9841-DesktopGerman.png|Desktop
9841-StartMenuGerman.png|Start menu
9841-WinverGerman.png|winver
===Miscellaneous===
Windows10-6.4.9833-ThumbnailError.png|Incorrect window thumbnail border color
==References==
Category:Windows 10 builds