Windows 10 1909 iso has different sizes


  1. Posts : 58
    Windows 10 Pro 64-bit
       #1

    Windows 10 1909 iso has different sizes


    Im downloading windows 10 1909 iso and using the media creation tool and i noticed the iso file is smaller (under 4gb) . but the direct iso download link is a little over 5gb.

    Is there something wrong with my computer?

    64 bit version

    The link im downloading from:


    https://www.microsoft.com/en-us/soft...d/windows10ISO
      My Computers


  2. Posts : 679
    Windows 10
       #2

    Are you running secure boot?

    A gpt Windows ISO will be slightly bigger than a standard mbr ISO setup. Another thing to consider is the pre installed language packs that might come with the standard Microsoft Uefi ISO

    Hope you figure it out

    Edit: My brain
    Last edited by Pluginz; 22 Nov 2019 at 13:12.
      My Computer


  3. Posts : 9,790
    Mac OS Catalina
       #3

    Nope. It is just how it is.
      My Computer


  4. Posts : 31,666
    10 Home x64 (22H2) (10 Pro on 2nd pc)
       #4

    quicksilverstud said:
    Im downloading windows 10 1909 iso and using the media creation tool and i noticed the iso file is smaller (under 4gb) . but the direct iso download link is a little over 5gb.

    The ISO created by the MCT contains an install.esd file, while the direct download ISO contains an install.wim instead. The Electronic Software Distribution (ESD) format is more compact, that's all.

    MS use an install.esd for their MCT's ISO so that install.esd will be smaller than the 4GB Fat32 file size limit . This mean you can mount the ISO and copy its contents to any normal usb. Mark the usb's partition as Active and you have made a bootable usb that can boot in both Legacy and UEFI mode. That's Option Four in this tutorial.

    Create Bootable USB Flash Drive to Install Windows 10

    The install.wim may be larger than 4GB and is not guaranteed to be suitable to put on a Fat32 usb.
      My Computers


  5. Posts : 679
    Windows 10
       #5

    Nice explanation there
      My Computer


  6. Posts : 1
    Xubuntu
       #6

    It's just cause your device sets 1024mb as 1Gb and the download source take the colloquial 1000mb as 1gb.
    Simple is Dat!
      My Computer


 

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