Extract Windows ISO to a hard drive partition and boot from it. @Try3

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  1. Posts : 89
    Win 10 Pro 64-bit Version 22H2 (OS Build 19045.3086)
       #1

    Extract Windows ISO to a hard drive partition and boot from it. @Try3


    My OS is Windows 10 Pro x64 version 22H2 (OS build 19045.2965).

    I want to Repair Install Windows 10 with an In-place Upgrade.
    I have downloaded the latest official Windows 10 ISO file from Microsoft using Media Creation Tool.

    Question: is it possible to extract the ISO to the hard drive (instead of ISO disk or USB), and install from it?

    P.S. I have the SSD and HDD drives.

    I appreciate your instructions.
      My Computer


  2. Posts : 9,751
    Mac OS Catalina
       #2

    No, you need to use a USB stick.
      My Computer


  3. Posts : 15,392
    Windows10
       #3

    bro67 said:
    No, you need to use a USB stick.
    Op is confused between a repair upgrade and a clean install.

    I am sorry but it is not true that you have ti boot from a usb drive to do a clean install (it is the most convenient way, but not the only way).

    You can create a separate partition (NTFS formatted with a drive letter), and copy all of the files from the iso to that partition.

    At this point, you can create a boot entry for it using easbcd (easiest way).

    You can even kick off the installation from Windows without a boot entry by running setup.exe from the sources folder not the root, but you need an existing partition with a drive letter that will get overwritten if you use this approach.

    Of course, for a repair upgrade, you just mount iso as a drive and run setup.exe.
      My Computer


  4. Posts : 15,392
    Windows10
       #4

    mike ten said:
    My OS is Windows 10 Pro x64 version 22H2 (OS build 19045.2965).

    I want to Repair Install Windows 10 with an In-place Upgrade.
    I have downloaded the latest official Windows 10 ISO file from Microsoft using Media Creation Tool.

    Question: is it possible to extract the ISO to the hard drive (instead of ISO disk or USB), and install from it?

    P.S. I have the SSD and HDD drives.

    I appreciate your instructions.
    An inplace upgrade does not need you to install from a drive.

    Just mount iso as a drive and run setup.exe from root of mounted iso.
      My Computer


  5. Posts : 4,708
    Windows 11 Pro 64 Bit 22H2
       #5

    Other people are typing faster then I am.

    Yes you can, you do not need to burn it to a USB Flash drive first. Or create a partition.
    If you have downloaded the ISO image, right click the file and choose Mount.
    This will create a Virtual DVD drive with the contents of the ISO image. Inside this drive
    Double click Setup.exe. This will start the setup and ask if you want to do an install Saving Files? or Do you want to do a Clean Install
      My Computer


  6. Posts : 4,451
    several
       #6

    mike ten said:
    My OS is Windows 10 Pro x64 version 22H2 (OS build 19045.2965).

    I want to Repair Install Windows 10 with an In-place Upgrade.
    I have downloaded the latest official Windows 10 ISO file from Microsoft using Media Creation Tool.

    Question: is it possible to extract the ISO to the hard drive (instead of ISO disk or USB), and install from it?

    P.S. I have the SSD and HDD drives.

    I appreciate your instructions.
    yes of course.

    To install from boot:
    extract the iso contents onto a partition ( preferably not the partition you want to install to )
    then add a winpe boot menu entry pointing at partitionletter:\sources\boot.wim
    the sdifile will be at partitionletter:\boot\boot.sdi

    To do repair install:
    extract the iso contents onto a partition
    run setup.exe
      My Computer


  7. Posts : 16,597
    Windows 10 Home x64 Version 22H2 Build 19045.4046
       #7

    Mike,

    I misunderstood your original PM. As others have said above, if all you are trying to do is run a Repair install then you can do that straight from the ISO -
    - Double-click on it in File explorer to 'mount' it {it will be shown as a separate drive of its own},
    - Run its setup.exe file.

    For some reason that I no longer understand, I thought you were asking how to extract the ISO to a hard drive partition to be able to boot from it & run a clean install.


    All the best,
    Denis
      My Computer


  8. Posts : 89
    Win 10 Pro 64-bit Version 22H2 (OS Build 19045.3086)
    Thread Starter
       #8

    How can I write an .img or .iso file on a SATA drive?
    You can copy and paste to the drive, and then use an image mounting software to create a virtual dvd (windows 10 has this feature built-in). You can also extract the file using an archiving utility like 7-Zip, WinRAR, or WinZip to access the contents directly.

    However, sometimes you want the system to read the files at start-up. Because of how simple and limited BIOS/firmware is, the operating system loading program has to be in a special place. Tools exist (rufus[1] is a popular free option) to put those special programs in the designated area the firmware uses.

    If you are handy with the CLI, you can load your system's firmware and manually specify a bootloader_filename.EFI file to run from the firmware (EFI) shell, such as one of the files you extracted from the ISO disc image. Most people prefer using tools like Rufus.

    By: Thane Armbruster [
      My Computer


  9. Posts : 16,597
    Windows 10 Home x64 Version 22H2 Build 19045.4046
       #9

    Mike,

    The Thane you quote has used a very complicated way of saying what I said and what others said in earlier posts.
    But he goes on to talk about bootloaders and they are not relevant to your question.

    For the avoidance of doubt:-
    - You do not need to do anything with your ISO file beforehand in order to be able to use the ISO for a Repair install / In-place upgrade should you ever need one.
    - You do not need any third-party tools in order to be able to use the ISO for a Repair install / In-place upgrade should you ever need one.


    Denis
      My Computer


  10. Posts : 6,201
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #10

    mike ten said:
    How can I write an .img or .iso file on a SATA drive?
    What do you have on the .img or .iso?
    Is the SATA drive clean or does it has a OS?
    You can always create a partition and boot to it. With a UEFI BIOS it is very simple.
    I have a data GPT drive that I created a 2G Fat32 partition and installed a WinPE with some recovery tools. To boot from it I use the BOOT menu at POST to select the boot loader on the partition.
      My Computers


 

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