Windows 10: Windows 10 ISO Download

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  1. f14tomcat's Avatar
    Posts : 18,409
    Triple Boot 10 Pro & 10 Insider Pro & 8.1 Pro
       2 Weeks Ago #490

    NavyLCDR said: View Post
    You might want to check again. It's install.esd.

    Option 1 used to take you to a Microsoft webpage to download the ISO file directly, which contained install.wim. Now Option 1 takes you to the exact same Media Creation Tool download page that Option 2 does. And you get install.esd in the ISO file.
    My goof. It used to. Bummer.....
      My System SpecsSystem Spec

  2. Brink's Avatar
    Posts : 18,102
    64-bit Windows 10 Pro build 15031
       2 Weeks Ago #491

    Tutorial has been updated to remove the old Option 1 for the no longer available Microsoft Tech Bench, and replaced it with the Media Creation Tool.

    Option 2 is now for downloading a Windows 10 Education ISO.

    Option 3 is still the same for Windows Insider ISO.
      My System SpecsSystem Spec

  3. Fafhrd's Avatar
    Posts : 1,292
    Windows 10 x86 14383 Insider Pro and Core 10240
       1 Week Ago #492

    It's mentioned here, in post #1:

    An ISO file from the Media Creation Tool (MCT) uses sources\install.esd which is a compressed version of install.wim, but cannot be used as a source image for DISM.

    -that the ESDs downloaded using the MCT are not suitable as source images for DISM component store repairs - that is not exactly true, but it is worth understanding why the command might fail. Usually this is because the command points to the wrong image.
    Here's the full set from the MCT - x86 and x64 - of all editions of the current branch 1607 build 14393 as they appear in the c:\esd folder. Look at the file sizes that are downloaded - 2.2GB and 2.8GB.
    Beneath lie the ESD files opened as archives by 7-zip file manager. Note the images 1 to 7 in each ESD:

    Click image for larger version. 

Name:	2017_02_06_20_25_401.png 
Views:	15 
Size:	321.9 KB 
ID:	120129
    In order to clarify which Image relates to which index number, it is necessary to look into the wiminfo file [1].xml. It can be viewed in a web browser, or a special text editor that understands xml formatting. Ordinary Notepad is not much use here this is Notepad XML, a little known Microsoft xml reader and editor:

    Click image for larger version. 

Name:	2017_02_06_20_40_022.png 
Views:	12 
Size:	396.9 KB 
ID:	120131

    It can be seen that the layout of Images and their indices are as below:

    1: 265,093,642 bytes; Windows Setup Media
    2: 1,505,902,747 bytes; Microsoft Windows PE (x64)
    3: 1,658,055,774 bytes; Microsoft Windows Setup (x64)
    4: 14,440,586,483 bytes; Windows 10 Pro
    5: 14,283,712,175 bytes; Windows 10 Home
    6: 14,267,982,168 bytes; Windows 10 Home Single Language
    7: 13,947,202,038 bytes; Windows 10 Education

    All those images (a total of ~60GB!) - all from an ESD of less than 3GB downloaded bytes.

    The x86 ESD contents follow the same convention. It becomes clear how the setup ISO may be created from these elements.
    It also becomes clear that if using DISM to service one of these editions, the correct index is required in the command.

    Thus to service a Windows 10 Pro build 14393 with this ESD, then index 4 must be indicated in the DISM Command:

    Dism /Online /Cleanup-Image /RestoreHealth /Source:wim:C\ESD\Download\installx64.esd:4 /limitaccess

    and it can be shown that this command indeed, works as it should:

    Click image for larger version. 

Name:	2017_02_06_21_15_273.png 
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Size:	502.2 KB 
ID:	120137
    Thescreenshot also shows that the contents of the ESD Index 4 are identical bytewise with the contents of install.wim in the \sources folder of the ISO downloaded from the Microsoft servers using this tool:

    Microsoft Windows and Office ISO Download Tool

    Click image for larger version. 

Name:	2017_02_06_21_24_284.png 
Views:	3 
Size:	98.0 KB 
ID:	120138
    The tool is regularly updated to include Windows Insider releases too. Check for the latest version. once the edition etc., has been selected, it provides the download link too:

    (English International is the same as English GB)
    So good luck with Dism and servicing your editions that only appear as ESDs!

    ESDs as containers are fantastic for fast multiple image downloads - the compression algorithm hardly increases the size of the ESD if a new image is added to the ESD package.
    Last edited by Fafhrd; 1 Week Ago at 01:34. Reason: added total sizes of files to text
      My System SpecsSystem Spec

  4. Posts : 1,393
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       5 Days Ago #493

    Brink said: View Post
    Option 1 was for directly downloading an ISO from the Microsoft Techbench that used install.wim which was good to use with DISM.

    It's a shame it redirects to the Media Creation Tool now that uses install.esd.
    I just spotted this. Thank you Microsoft for another retrograde action.
      My System SpecsSystem Spec

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