- http://blogs.windows.com/windows/b/windowsexperience/archive/2014/04/02/windows-8-1-update-important-refinements-to-the-windows-experience.aspx
- http://blogs.windows.com/windows/b/springboard/archive/2013/10/18/windows-8-1-update-the-it-pro-perspective.aspx
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It will likely change your system’s current behavior:
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For starters, unless the device is a tablet, a system with this update will boot to the desktop by default
- You can still choose one way or another but I was surprised when I rebooted and was taken to my desktop instead of my Start screen
- See the chart further down in the post for a clear list of what default settings are changed and how
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- It does NOT include the Start menu that you may have seen/heard about at the recent Build conference. That is some exciting near-future stuff, which demonstrates our on-going commitment to deliver on customer feedback (such as your comments on this very blog)
- It is defined as an “Important – Security update” in our Windows Updates framework
- It is a cumulative update to Windows 8.1 that includes all previously released security and non-security updates
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It is a required update to keep your Windows 8.1 device current
- Failure to install this Update will prevent Windows Update from patching your system with any future updates starting with Updates released in May 2014 (get busy!)
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Windows 8.1 is a prerequisite (vs Windows 8 RTM)
- Windows 8.1 media/WIMs/TechNet ISOs/Store bits/etc will be slipstreamed with this Update in the near term
- KB2919442 is a pre-requisite update – released in March 2014 – you’ll need this before 2919355 will be recognized
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Additional info can be found in the KB – which obviously, you should read
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The Assessment and Deployment Kit (ADK) has been updated to accommodate the changes to Windows with this Update
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Power
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Many of you have adapted with a variety of ways to turn off or reboot your PC, but now, there is a simple power UI on Start. Handy-dandy!
- A quick note on ‘Sleep’ – Have you tried the ‘Sleep’ functionality recently? On prior generation devices, I never had much luck with Sleep. It seemed like it took longer to go to sleep than to shut my old laptop down, and resuming seemed to take longer than a full boot up. However, with the newer devices, SSDs and Windows 8, I find sleep a much-improved experience and very close to an ‘instant on’ solution that I prefer most of the time to a typical shutdown.
- If your screen is less than 8.5″, then you won’t see the Power icon – you’ll only see the Search icon (next up).
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Search
- Again, many of you have likely learned to “just type” on the Start screen for searching but we’ve added a clickable Search icon that will ‘fly-out’ the Search box – this helps visual people like me. I often wondered where my typing was going in the early days of Win8.
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If you’re using a mouse, you can now right-click Tiles and get a familiar “context” style menu to manipulate them.
- This PC (a.k.a. “My Computer”)
- PC Settings
- Documents
- Pictures

- You will *NOT* see these added to your established Start screen – only new profiles get these
- Windows RT users only get the “PC Settings” Tile




- From within the Apps view, bring up Settings > Tiles
- Slide the “Show more apps in the Apps view” slider to Yes




- Right click the Taskbar and select Properties – you’ll see the following new option (highlighted below) which you are free to select/deselect:



- You’ll get the close “X” button either way
- You can pin Modern Apps to the Taskbar regardless, too
- You can see the Taskbar on the Start screen regardless of the “Show Store apps on the taskbar” setting

Default Behavior and Settings
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Device Type
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Before Windows 8.1 Update
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After Windows 8.1 Update
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Tablet
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Non-tablet
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Internet Explorer 11
- There are changes to both the Modern and Desktop versions
- A future post here will dive into the details of these changes
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SkyDrive
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Updated throughout the OS to reflect the new name, OneDrive
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- OneDrive has recently-enhanced features, such as manual Sync and Taskbar icons to provides the status of synchronization
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XBox Music
- Now you can pin artists & playlists to the Start Screen, drag & drop songs and albums to edit your playlist
- There are media controls provided in the Taskbar thumbnail
- Easily keep tabs on the amount space that your Apps take up and uninstall them right from here (click “See my app sizes”)


- A context menu provides convenient controls for managing WiFi network connections
- This was removed in Windows 8.1

- “Tap and a half” is a new, more intuitive touch gesture for touch-pads – allowing you to tap twice but hold second-tap to highlight text or an object, and then drag and drop it.
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When working with Office documents, you can lock the touch keyboard via this icon on the bottom right corner:
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Dismiss or bring up the touch keyboard:
Source: Technet Blog