Windows 10 Preview Downloads and Information

Martin Brinkmann
Oct 1, 2014
Updated • Jul 5, 2017
Windows, Windows 10

Microsoft has launched its Windows Insider Program a moment ago which lets you test new Windows versions before they are released, and in today's case a preview version of Windows 10.

It is interesting to note that it seems possible to download the Windows 10 Preview without signing up for the program.  In fact, if you sign up for it and visit the download page afterwards, you can only download a 4 Megabyte executable file instead of ISO images only at first.

If you scroll down however and click on the get the ISO files link you will be able to download ISO images of Windows 10 as well.

ISO images are provided for different languages and as 32-bit or 64-bit versions.

If you want to join the Windows Insider Program on the other hand you can do so on this page. Note that you need a Microsoft Account for that.

Here are the direct links that you can use to download the files right away

Product Key for all versions: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR

If you prefer to get the update file instead click here.

Note that only four languages seem to be supported right now. Languages such as German, French or Japanese which are usually included in these previews are not provided right now. The update program will fail if the system you run the update on uses an unsupported language.

The update executable can be run on Windows 7 SP1 or higher.

If you update systems with different languages you will only be able to keep personal files but not apps or Windows settings. In other words, installed programs, apps or customizations won't be migrated to the new version of Windows. Note also that any language pack that you may have installed will be removed during that process.

System Requirements

  • Processor: 1 gigahertz (GHz) or faster

  • RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)

  • Free hard disk space: 16 GB

  • Graphics card: Microsoft DirectX 9 graphics device with WDDM driver

  • A Microsoft account and Internet access

Microsoft notes that some processors and accounts are not supported by the Technical Preview but the only information  apart from that is that a "small number of older, 64-bit CPUs" might be blocked.

Additionally, users won't be able to play DVDs using Windows Media Player and Windows Media Center if installed will be removed as well.

The preview won't work on Windows RT devices or Windows Phone.

The technical preview expires on April 15, 2015.

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Windows 10 Preview Downloads and Information
Microsoft has made available preview downloads of its upcoming operating system Windows 10. We have the direct links and all information you need.
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  1. Armond said on October 21, 2014 at 10:42 pm

    Neowin says Windows 10 Technical Preview build 9860 is out:
    Just hope MS also update the original ISO with the new build.

    1. Martin Brinkmann said on October 21, 2014 at 11:45 pm

      Changes according to ARS are few. First installment of the new notification center and a keyboard shortcut to move apps between monitors (Windwos-Shift-Arrow Keys).

    2. Martin Brinkmann said on October 21, 2014 at 10:57 pm

      Yes it is out, I just checked. Downloading currently.

    3. Andrew said on October 21, 2014 at 10:56 pm
  2. CHEF-KOCH said on October 5, 2014 at 12:47 am

    Blocking MS from calling home, add this lines into your hosts file:

    Bye bye user tracking. :D

  3. Joe said on October 3, 2014 at 6:30 pm

    Thanks for this info. Very slick installation under VMWare Workstation 9.0x.

    Big big first impression: Start menu not only there, but working in a “pretty much like Win 7” mode :)


  4. CHEF-KOCH said on October 1, 2014 at 10:04 pm

    win 10 it pro faq:

    Original overview download link:

    For people like me which prefer direct download links:

    English 64-bit (x64) (4.10 GB)
    SHA-1 EB75A3D3C0F621F175B75DC65DB036D0E00EAC43

    English 32-bit (x86) (3.16 GB)
    SHA-1 73AC23AD89489855F33CA224F196327740057E2E

    English (United Kingdom) 64-bit (x64) (4.08 GB)
    SHA-1 17C6CD7224D13DB61B93A4A9D38202E3A0019378

    English (United Kingdom) 32-bit (x86) (3.17 GB)
    SHA-1 BFF496678A092557388FBFA14903295D55478C33

    Chinese (Simplified) 64-bit (x64) (4.26 GB)
    SHA-1 135E3193571C5AF9F8F36D24D07B2BE7EE49B2E8

    Enterprise English-US 64-bit (x64)

    Enterprise English-US 32-bit (x86)

    Remember that MSDN ISO and Consumer ISO’s have different hash!

    Btw, the NKJFK key not works if you like to add new features! And I found that wmc was integrated but not activated atm.

    Also interesting:
    Windows Update will be set to automatically install important updates as they become available. You won’t be able to turn off automatic updates in Technical Preview, but you will be able to choose between a fast or slow update cadence. To change when preview builds are installed, open PC settings, click Upgrade and recovery, click Preview builds, and then click Change the time my PC installs preview builds..

  5. am said on October 1, 2014 at 9:54 pm

    Interesting what will happen after april,15. It will just tell invalid copy, please go back to your 8.1? Also what kind of info MS going to collect from users for letting to use the preview?

  6. fokka said on October 1, 2014 at 7:26 pm

    and here i am trying to remember my &/$?%! microsoft password, resetting it and getting continued errors when trying to finally log in…

    thanks for the links, martin!

    1. Martin Brinkmann said on October 1, 2014 at 7:27 pm

      You are welcome :)

  7. Niks said on October 1, 2014 at 7:18 pm

    Will you do a thorough review of Windows 10 technical preview ? ( stuff not shown in keynote video )

    1. Martin Brinkmann said on October 1, 2014 at 7:20 pm

      Well, I’m currently checking it out and it seems there is little to talk about besides what has already been mentioned. I will see if there is more that has not bee said yet but for now it does not appear as if there is much besides the new start menu, apps running in windows, getting rid of start in favor of the start menu, and a few smaller things.

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