Windows 10 build 16226

10.0.16226.1000.rs_prerelease.170616-2021
	Build of Windows 10 Fall Creators Update
OS family	Windows 10 (NT 10.0)
Version number	10.0
Build number	16226
Build revision	1000
Architecture	x86, x64, ARM64
Build lab	rs_prerelease
Compiled on	2017-06-16
Expiration date
Timebomb	2017-12-04 (+171 days)
SKUs
	Cloud; Home; Home N; Pro; Pro N; Enterprise; Enterprise N; Education; Single Language
Product key
	Use a Windows 10 Retail serial
About dialog

Windows 10 build 16226 is the ninth Insider Preview build of Windows 10 Fall Creators Update. This build was released to Windows Insiders in the Fast Ring on 21 June 2017.

Files from the ARM64 architecture of this build can be obtained from the Microsoft Symbol Server.

New features and changes[edit | edit source]

Microsoft Edge features[edit | edit source]

The "X" button to close a tab is always visible in the tab bar, even when a JavaScript dialog is showing within the browser. You can also still access many of the features (i.e. favorites bar, settings, etc.) while a dialog is showing.
You can migrate cookies and settings from Google Chrome to Microsoft Edge.
You can now copy and ask Cortana in an EPUB book, as well as write notes with a pen. To see a note, hover over the note button.
EPUB books from the Windows Store now are kept in sync.
You can view your favorites as a folder tree when you save new favorites, and collapse and expand folders within the "Add to favorites" dialog like you would in File Explorer.
You can now edit the URL for any favorite in the Favorites menu or the Favorites Bar.

Emoji updates[edit | edit source]

Added support for Emoji 5.0. The emoji panel was updated to make it possible to browse the profession emoji. It also added gender diverse options for some of the emoji (for example, you can select both male and female types of emoji).
You can now search for emoji in the emoji panel, as well as dark theme integration.

Touch keyboard updates[edit | edit source]

Added support for Shape writing (writing on the keyboard without pressing on individual keys) for more languages, and also added text prediction for more languages as well.
Added support for East Asian languages, such as Simplified Chinese, Traditional Chinese, Japanese and Korean.
Added a one-flick curve-flick (an advanced method for quickly inputting Japanese kana) keyboard for Japanese.
General improvements for the touch keyboard.
You can now use the ⇧ Shift key to cycle between ⇩ CapsLk states.
Updated the settings flyout for the touch keyboard.

Handwriting panel improvements[edit | edit source]

Words in the handwriting panel can now be erased with the back of your pen.
Updated the processed text in the handwriting panel to now use Segoe UI.
Updated the English mode button in the Chinese handwriting panel to now use “中“ and “英” instead of “全部”.

Gaming improvements[edit | edit source]

Added a new "Xbox Networking" option into Settings -> Gaming. It intends to troubleshoot issues preventing the user from using voice chatting and playing multiplayer games with other Xbox Live users.

Settings improvements[edit | edit source]

Improvements to Storage Sense. It now has the ability to delete Windows.old folders, and improved its settings page.
Added a new Remote Desktop Settings page. On this page, you can find features like sleep (labeled “Keep my PC awake for connections when it is plugged in”) and PC discoverability to help the user know if the PC is accessible remotely.
If an update fails, a plain text string is now used. It can be copied and pasted.

Shell improvements[edit | edit source]

You can now share a file via the right-click context menu.
Improvements and bug fixes to the People flyout. You can now turn it off.
Added a new currency converter to Calculator.

Ease of access improvements[edit | edit source]

Narrator now uses artificial intelligence to generate descriptions for images that lack alternative text. It also includes the ability to extract text from images using optical character recognition. It can be accessed by pressing ⇩ CapsLk+⇧ Shift+D. An Internet connection is required for this feature.
Improved the bitmap scaling in Magnifier. Text will appear to be smoother when this feature is enabled.

IME improvements[edit | edit source]

The Japanese IME now understands when you use predictive candidates followed by backspaces. It will adjust the candidates accordingly.
Enabled spelling corrections if you make a typo in English. It shows the correct English word you misspelled.
Added the ability to execute a web search from from the predictive candidate window. You can also search about words by clicking the candidate in the comment window.

Other improvements[edit | edit source]

Removed the SMB1 protocol.
Removed the ability to format a volume as ReFS on all SKUs except Enterprise.
Added a GPU section to the Performance tab in Task Manager.
Multiple instances of the same app are now grouped into a single collection in Task Manager.
Added a new VM sharing feature to Hyper-V.
Various improvements to Mixed Reality.

Bugs[edit | edit source]

If you have the .NET 3.5 Framework installed, updating to this build will fail and it will roll back to the previous build as a result. Uninstall it before updating and then reinstall it after the update is complete.
The auto-complete in Microsoft Edge is broken on certain devices, searching for a partial string instead of the autocompleted text picture.
Word 2016 will crash if you ink on it.
Some built-in apps have a chance of displaying a name like “ms-resource:” at the bottom of the Start menu. The affected app will still launch like normal.
The battery status may not update on certain laptops.
If any pinned sites are present from a previous build, they won't work. They have to be un-pinned and then re-pinned to the taskbar.
If certain languages are installed, ctfmon.exe will crash constantly.
Sometimes Action Center will appear to be completely transparent.