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Frequently Asked Questions: Windows 10 - PART 2

Technical Level : Basic


Windows 10 will be launched on July 29th 2015. This unofficial FAQ is intended to provide details and clarification about these exciting changes coming to Windows in 2015. Windows 10 includes a streamlined user interface that spans Desktop and Mobile devices in addition to the company's popular gaming console, the XBOX One. Microsoft also revealed new projects such as a next generation web browser called Edge, virtual reality technology Windows HoloLens, collaboration solution called Surface Hub, support for IoT solutions such as Rasphberry PI and availability of Windows 10 for Windows 7 and Windows 8.1 users for free.


Be sure to review PART 1 - Frequently Asked Questions: Windows 10

UPDATE: For the latest information about the Windows 10 Anniversary Update, please review the latest FAQ.

Frequently Asked Questions Windows 10 Anniversary Edition version 1607

Can I change the name Cortana knows me by?

Yes you can.

Click in Ask me anything

Click Settings (cog) icon

Click Change my name

Which languages and regions is Cortana available in?

English United States Beta
United Kingdom[43] Alpha
Canada[20] Alpha
Australia Alpha
India Alpha[44]
German Germany[45] Alpha
Italian Italy Alpha[46]
Castilian Spain[47] Alpha
French France Alpha
Mandarin Chinese China Beta


Can I put shortcuts on the Windows desktop?

Quick Tip: Create desktop shortcuts in Windows 10

Is the Aero Glass theme available in Windows 10?

Some elements of Aero Glass have been introduced.


  • Frosted Glass on the Start and Taskbar
  • Microsoft Officials did say they are working on other areas, no guarantees.
  • Because there is no window padding, the frame of the window with exception of the title bar, there would be no glass effect to be applied.                 

Should I upgrade my existing version of Windows to Windows 10 Preview?

Since Microsoft made available the first pre-release build of Windows 10 in early October 2014, there has been some misunderstanding that this is not a product you should use to replace a production installation of Windows such as Windows 8 or 7 or Vista. Instead, if you must test it on a single machine, the best recommendation is to create a partition or have an a spare hard disk ready where you can install it. Windows 10 in its current pre-release state will expire and at the same time, it is unfinished work. So if you must evaluate it, the best way is by installing it beside your commercial installation of Windows.

If you do choose to upgrade your existing version of Windows to Windows 10, please be warned, it will make your recovery partition in operable, requiring that you have separate recovery media for reinstallation if necessary.

Where can I get more information about preparing my computer safely for testing Windows 10?

Backup your current installation of Windows. Because you will be making significant changes to your computer, you should always backup before doing so. It is strongly recommended! See links to resources about backing up by clicking the link for the respective version of Windows you are running: Windows XP, Windows Vista, Windows 7, Windows 8/8.1

What is the latest build number?

Build 10166 or what is known as the 'Insider Preview' released late July 2015.

When will the Windows 10 Previews expire?

The expiration dates for Windows 10 Technical Preview vary by build number.  The table below summarizes the expiration dates for each of the builds we’ve released so far.  (Dates are subject to change.)

Build number Expiration warnings begin License expiration date Windows will stop booting
9841 4/2/15 4/15/15 4/30/15
9860 4/2/15 4/15/15 4/30/15
9879 4/2/15 4/15/15 4/30/15
9926 9/17/15 10/1/15 10/15/15
10041 9/17/15 10/1/15 10/15/15
10049 9/17/15 10/1/15 10/15/15
10061 9/17/15 10/1/15 10/15/15
10074 9/17/15 10/1/15 10/15/15
10122 9/17/15 10/1/15 10/15/15
10130 9/17/15 10/1/15 10/15/15
10158 9/17/15 10/1/15 10/15/15
10159 9/17/15 10/1/15 10/15/15
10162 9/17/15 10/1/15 10/15/15
10166 9/17/15 10/1/15 10/15/15

Approximately 2 weeks before a build’s license expires, you will start getting warnings that this build will expire and that you should update to the most recent build. 

When the build reaches the license expiration date, the system will automatically reboot every three hours.

Approximately 2 weeks after the license expires, the build will no longer boot at all.

If you are still on an older build and are getting expiration warnings, it is likely that Windows Update is failing to install the latest build automatically.  To resolve the problem, download the latest ISO file from  After the download is complete, double-click the ISO file to mount it and then launch setup.exe.

If Windows has stopped booting due to an expired license, to resolve the issue you’ll need to download the ISO file from another computer and then transfer the ISO file to installation media such as a USB flash drive or DVD.   Then boot the PC from the installation media to install the latest build of Tech Preview. 

Source: Expiration Dates for Windows 10 Technical Preview

Subsequent Previews might extend the expiration.

How does Microsoft determine when a new build of Windows 10 is released?

Learn more:

How can I get this new build?

If you are already running one of the Preview builds of Windows 10 (build 9841, 9860 or 9879) released in late 2014, you will be able to upgrade to it using PC Settings (Click Start > PC Settings > Update and Recovery > Preview Builds).

Learn more: How to install the latest Windows 10 build

If you are running a previous version of Windows, you will be able to download the .ISO file from the Windows Insider Program page and create a bootable copy which you can use to upgrade or create a dual boot configuration.

Will the new preview of Windows 10 include all the features demonstrated at the Windows 10 event?

No, some features demonstrated at the Windows 10 event are still under development. When they are ready, they will be rolled out over the next 3 to 5 months.

Are there any known issues in Windows 10 build 9926 I should be aware of ?

Yes, please review the following:

There are two Stores in Windows 10 Technical Preview

Unable to update Windows Store apps in build 9926

Music app stops after being minimized

Start menu doesn’t appear

Long app names shortened on the tile

Known issues with Narrator and other screen readers

I receive an error - cannot upgrade because PC uses an compressed operating system

Are there any known issues in Windows 10 build 10041 I should be aware of ?

Yes, please review the following:

When I try to upgrade, I receive the following error message: Windows can't be installed because this PC uses a compressed operating system. What can I do?

Important notes

  • Some PC processors and hardware configurations aren’t supported by Technical Preview, including a small number of older, 64-bit CPUs, and some 32 GB and all 16 GB devices running a compressed operating system.


Update: Microsoft officials have confirmed support in Windows 10 build 10041 or later. Some users continue to experience problems when attempting to install on low storage devices. This will continue to be refined as we approach the final release.

Learn more:

Where can I get more information about Windows 10?

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