Windows 10 Threshold 1

10.0.9926 · Version 1507

Build 9926 for pc screenshot

Start and Action Center

  • Start is now based on XAML instead of Direct UI
  • The Start grid has been improved to allow new arrangements for tiles
  • The Start screen grid now scrolls vertically
  • Tiles no longer use a gradient and border
  • The Action Center now takes the full height of the screen
  • You can now change quick settings in the Action Center
  • Notifications now can contain actions
  • A swipe from the right now opens the Action Center
  • Quick settings can now contain more settings
  • Notifications have received a new design

Cortana and search

  • The search button is replaced with a search bar by default
  • Cortana has been added, although with limited availability

Desktop

  • ALT+TAB now opens a view that's merged with the Task View

File Explorer

  • You can now choose the default folder for File Explorer
  • A "Pin to quick access" option has been added to the ribbon in the File Explorer, replacing Favorites
  • Apps can now run within File Explorer (or pick a photo, Photos will load in File Explorer, for example)

User Interface

  • The desktop has received a new interface
  • Some animations have been altered
  • Some icons have been redesigned to match the new UI
  • Win32 window chromes are now more similar to WinRT apps
  • WinRT apps have a new border chrome
  • Full screen mode is now a button on the window instead of in the hamburger menu
  • Settings fly-out now appears within an app
  • The Charms bar has been removed
  • The installation interface has been altered

Internet Explorer

  • The EdgeHTML 12 rendering engine
    • HTTP Strict Transport Security (HSTS)
    • HTTP Live Streaming (HLS)
    • Video Tracks
    • DOM L3 XPath
    • Improved ECMAScript 6 Standard support
    • Improved ECMAScript non-standard support
  • F12 developer tools
    • New and improved Network Tools
    • HTML and CSS Pretty Printing support
    • Async Callstacks for Events and Timers
    • Sourcemaps for Styles and in the Memory Profiler
    • Find references and Go To Definitions
  • More Windows Insiders will get Edge 12 as the default engine to replace Trident 7

Settings

  • Control Panel
    • The default window color pallet has been updated
    • New backgrounds have been added

System

  • Win32 apps now also use gestures
  • System-wide support for the FLAC & ALAC audio formats
  • Support for the Persian calendar

Apps

  • Classic Calculator has been removed
  • Alarms
    • Alarms has been redesigned
    • There is now a world clock function
  • Calculator
    • Calculator has received a new design
  • Camera
    • Camera has been revamped
  • Contact Support
    • Contact Support is a new app
  • Getting Started
    • Help + Tips has been renamed to Getting Started
    • Getting Started has been redesigned
  • Insiders Hub
    • Insiders Hub has been redesigned
  • Maps
    • Maps has been revamped
  • OneNote
    • OneNote has been updated to OneNote Preview
    • OneNote now has a ribbon design
    • You can now give feedback from the sidebar
    • You can now sync text-only for slow or mobile data connections
    • The radial menu has been removed
    • You can now attach documents and pictures
    • You can now make checkbox lists
    • You can now add tables
    • Text can be highlighted with your fingers
    • KB3034229 is required to see the new OneNote app
  • Photos
    • Photos has been revamped
    • New Photos, manage settings and features
    • Photos now removes duplicates automatically
    • Images are now enhanced automatically
  • Settings
    • Settings has been merged with Control Panel
    • Settings has been revamped completely
    • New options for Aero Snap have been added
    • When downloading a new build, Windows Update will also show a progress bar
    • You can now choose to enable scrolling in inactive windows
    • There are new options to schedule restarts
    • Universal scroll is now added as an option under settings
  • Windows Feedback
    • Windows Feedback has received a new design
  • Windows Store beta
    • Windows Store beta has been added as a new app
  • Xbox
    • Xbox has been revamped

Other features

  • It's easier to connect to wireless audio and video devices

And further

  • The Windows kernel major version number changed from version 6.4 to 10.0
  • The builds are now called Windows 10 Pro Technical Preview (instead of Windows Technical Preview)
  • The preview is now available in Japanese, Russian, German, French, French (Canada), Korean, Italian, Spanish, Spanish (Latin America), Traditional Chinese, Swedish, Finnish, Turkish, Arabic, Dutch, Czech, Polish, Thai, Vietnamese (Language Interface Pack), Catalan (Language Interface Pack), and Hindi (Language Interface Pack)
  • Updating to this build might reset some of your settings, even from official builds from Microsoft

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

Changelog not available

The changelog you're looking for is not available. There can be a number of reasons for this:

  • The build you're looking at was just released and we're still working on the first draft of the changelog
  • This build doesn't exist (are you certain you followed an URL on our own website?)
  • An issue is preventing us from fetching the content

In case this build was just released or released in the past it's probably one of the first 2 issues, or in other words: it's a matter of time before the full changelog will be available. We usually post a tweet on our Twitter feed when the first draft of the changelog is ready. So stay tuned if this build is rolling out, we'll get it cover as fast as we can!

18 February 2015

And further

  • Unknown fixes and enhancements

23 January 2015

And further

  • Improved power efficiency
  • Improved reliability for virtual machine live migrations
  • Improved performance in Internet Explorer

Fixed issues

  • Fixes a reliability issue in explorer.exe which would cause the system to crash
  • Fixes an issue that could cause a deleted app to be reinstalled
  • Fixes an issue that could cause pending Windows Updates to be incorrectly reported in the update history
  • Fixes an issue that could cause the Start menu to be improperly registered and fail to launch
  • Fixes an issue that could cause random pixelation on the screen when using Remote Desktop Client

Start and Action Center

  • Start is now based on XAML instead of Direct UI
  • The Start grid has been improved to allow new arrangements for tiles
  • The Start screen grid now scrolls vertically
  • Tiles no longer use a gradient and border
  • The Action Center now takes the full height of the screen
  • You can now change quick settings in the Action Center
  • Notifications now can contain actions
  • A swipe from the right now opens the Action Center
  • Quick settings can now contain more settings
  • Notifications have received a new design

Cortana and search

  • The search button is replaced with a search bar by default
  • Cortana has been added, although with limited availability

Desktop

  • ALT+TAB now opens a view that's merged with the Task View

File Explorer

  • You can now choose the default folder for File Explorer
  • A "Pin to quick access" option has been added to the ribbon in the File Explorer, replacing Favorites
  • Apps can now run within File Explorer (or pick a photo, Photos will load in File Explorer, for example)

User Interface

  • The desktop has received a new interface
  • Some animations have been altered
  • Some icons have been redesigned to match the new UI
  • Win32 window chromes are now more similar to WinRT apps
  • WinRT apps have a new border chrome
  • Full screen mode is now a button on the window instead of in the hamburger menu
  • Settings fly-out now appears within an app
  • The Charms bar has been removed
  • The installation interface has been altered

Internet Explorer

  • The EdgeHTML 12 rendering engine
    • HTTP Strict Transport Security (HSTS)
    • HTTP Live Streaming (HLS)
    • Video Tracks
    • DOM L3 XPath
    • Improved ECMAScript 6 Standard support
    • Improved ECMAScript non-standard support
  • F12 developer tools
    • New and improved Network Tools
    • HTML and CSS Pretty Printing support
    • Async Callstacks for Events and Timers
    • Sourcemaps for Styles and in the Memory Profiler
    • Find references and Go To Definitions
  • More Windows Insiders will get Edge 12 as the default engine to replace Trident 7

Settings

  • Control Panel
    • The default window color pallet has been updated
    • New backgrounds have been added

System

  • Win32 apps now also use gestures
  • System-wide support for the FLAC & ALAC audio formats
  • Support for the Persian calendar

Apps

  • Classic Calculator has been removed
  • Alarms
    • Alarms has been redesigned
    • There is now a world clock function
  • Calculator
    • Calculator has received a new design
  • Camera
    • Camera has been revamped
  • Contact Support
    • Contact Support is a new app
  • Getting Started
    • Help + Tips has been renamed to Getting Started
    • Getting Started has been redesigned
  • Insiders Hub
    • Insiders Hub has been redesigned
  • Maps
    • Maps has been revamped
  • OneNote
    • OneNote has been updated to OneNote Preview
    • OneNote now has a ribbon design
    • You can now give feedback from the sidebar
    • You can now sync text-only for slow or mobile data connections
    • The radial menu has been removed
    • You can now attach documents and pictures
    • You can now make checkbox lists
    • You can now add tables
    • Text can be highlighted with your fingers
    • KB3034229 is required to see the new OneNote app
  • Photos
    • Photos has been revamped
    • New Photos, manage settings and features
    • Photos now removes duplicates automatically
    • Images are now enhanced automatically
  • Settings
    • Settings has been merged with Control Panel
    • Settings has been revamped completely
    • New options for Aero Snap have been added
    • When downloading a new build, Windows Update will also show a progress bar
    • You can now choose to enable scrolling in inactive windows
    • There are new options to schedule restarts
    • Universal scroll is now added as an option under settings
  • Windows Feedback
    • Windows Feedback has received a new design
  • Windows Store beta
    • Windows Store beta has been added as a new app
  • Xbox
    • Xbox has been revamped

Other features

  • It's easier to connect to wireless audio and video devices

And further

  • The Windows kernel major version number changed from version 6.4 to 10.0
  • The builds are now called Windows 10 Pro Technical Preview (instead of Windows Technical Preview)
  • The preview is now available in Japanese, Russian, German, French, French (Canada), Korean, Italian, Spanish, Spanish (Latin America), Traditional Chinese, Swedish, Finnish, Turkish, Arabic, Dutch, Czech, Polish, Thai, Vietnamese (Language Interface Pack), Catalan (Language Interface Pack), and Hindi (Language Interface Pack)
  • Updating to this build might reset some of your settings, even from official builds from Microsoft
Windows 10
View milestone

18 February 2015

pc9926.8
SlowSR
pc9926.8
FastFR

23 January 2015

pc9926.2
SlowSRSlowSR
pc9926.0
SlowSR
pc9926.2
FastFR
pc9926.0
FastFR