Download update for off-network PC - 1803 to 21H2?


  1. jhonnie
    Posts : 8
    Windows 7, Windows 10, Server 2016
       New #1

    Download update for off-network PC - 1803 to 21H2?


    Dear All,

    I have a Dell PC with W10 1803 (OS Build 17134.2208) which is not connected to the internet. I do not wish to connect it to the internet . . .

    I update PC's like this one by downloading the latest "cumulative update" from the MS Catalog and installing. If it's been a while I simply check the "package details" to see if it's been superseded. This particular PC has been neglected for a while.

    Can anyone point me to a reference that will show me how to jump to 21H2 without connecting this PC to the internet?

    Thanks in advance,

    John
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  3. steve108
    Posts : 21,421
    19044.1586 - 21H2 Pro x64
       New #2

    Hello jhonnie and welcome to TF

    1. Backup and Restore with Macrium Reflect make a full backup of your boot drive in case seomthing goes wrong and you need it. Make a Macrium Rescue USB after installing Macrium on another PC this is connected to the internet, then boot your 18xx PC from the USB to make the backup.

    2. Download and create a 21H2 install USB using MCT with another PC, then follow these instructions:
    Repair Install Windows 10 with an In-place Upgrade

    To make the Windows 10 21H2 install USB using MCT:
    https://www.microsoft.com/en-us/soft...load/windows10
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  4. Paul Black
    Posts : 18,044
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       New #3

    Hello @jhonnie,

    jhonnie said:
    I do not wish to connect it to the internet . . .

    I update PC's like this one by downloading the latest "cumulative update" from the MS Catalog and installing. If it's been a while I simply check the "package details" to see if it's been superseded. This particular PC has been neglected for a while.

    Can anyone point me to a reference that will show me how to jump to 21H2 without connecting this PC to the internet?
    BEFORE you do ANYTHING, create a System Image. It is better to have it and NOT need it, than to need it and NOT have it.


    One option . . .

    [1] Download the ISO and create a Bootable USB.
    [2] Backup all your personal Folders and Files.
    [3] Clean Install.

    This will give you a clean and fast OS, but this obviously depends on the Programs that you have installed, which will need reinstalling.


    Another Option . . .

     In-Place-Upgrade - Repair Install

    Information & Tutorials:

    This is a Non-Destructive Process which keeps ALL your Apps, Programs, and Personal Data etc Intact . . .

    IMPORTANT: This is an extract from the Tutorial below . . .

    • You will only be able to do a repair install of Windows 10 from within Windows 10. You will not be able to do a repair install at boot or in Safe Mode.
    • You will need at least around 10 GB + what Windows is currently using of free space available on the Windows drive.
    • The installation media (ex: ISO or USB) must be the same edition and same or newer build as your currently installed Windows 10. If it's not, then the repair install will fail.
    • The installation media (ex: ISO or USB) must be the same base language (aka: system default language) as your currently installed Windows 10. If it's not, then you will not keep anything.
    • If you have a 32-bit Windows 10, then you must use a 32-bit ISO or USB.
    • If you have a 64-bit Windows 10, then you must use a 64-bit ISO or USB.

    > How to Do a Repair Install of Windows 10 with an In-Place Upgrade

    Basically . . .

    [1] Download the ISO to the Desktop.
    [2] Right-click the ISO > Mount.
    [3] Open File Explorer.
    [4] Double-click the Mounted Drive to open it.
    [5] Double-click setup.exe.
    [6] Choose the Upgrade option.
    [7] Select Change what to keep.
    [8] Select One of the following . . .

    • Keep Personal Files and Apps.
    • Keep Personal Files Only.
    • Nothing.

    [9] Unmount the ISO by right-clicking the Mounted Drive > Eject.

    The only downside is that you could POSSIBLY lose some of your personalizations.

    Recommendations:

    DISABLE:

    ANY Non-Microsoft . . .

    • Antivirus Software.
    • Firewall software.
    • Drive Encryption Software.

    Temporarily Disable Secure Boot before performing the In-Place-Upgrade - Repair Install to be on the safe side.


    I hope this helps.
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  6. jhonnie
    Posts : 8
    Windows 7, Windows 10, Server 2016
    Thread Starter
       New #4

    Personal files versus "apps"


    Sounds fairly straightforward. "Same edition" effectively means "Pro" or "Enterprise", "Home" etc.
    The PC in question has a number of applications and services installed - 3rd party software for DAQ and machinery health monitoring. So one hopes that when I select "Keep my personal files and apps" that they will survive the update.
    Should I "lose" them and have to reinstall from a backup . . . I'll check with the vendor if a total reinstall (of their applications) will be necessary.
    Thanks,
    JR
      My Computer
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  7. steve108
    Posts : 21,421
    19044.1586 - 21H2 Pro x64
       New #5

    JR,
    When things work correctly, all your third party installed apps and all your files are retained, but there's always a chance the in-place upgrade will fail, thus the strong recommendation to make a full backup of your boot drive first - which most of us periodically do and recommend having anyway.

    Even if you weren't doing this major upgrade, having a backup would help if your drive died or PC became unbootable due to a bad update or virus, etc.
    Last edited by steve108; 28 Jan 2022 at 22:12.
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  8. FALKLAN
    Posts : 18
    Windows 10 Enterprise 21H2
       New #6

    I'm about to attempt this same process with a somewhat, lets say, ah jet engine sitting here. This propulsion system is about to take off and go to the moon! However, most likely it will get to 100 feet and nose dive into the ground but not even make it to the ground before exploding.

    This one has something going on where no one can change any performance settings in the UEFI or F1... Luckily I can change safe boot. I'm about to update the bios and see if that resolves the problem. It has something to do with recovering the config from a raid setup when no raid has ever been created on this specific machine?

    The joy of it all!
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  9. jimbo45
    Posts : 11,247
    Windows / Linux : Arch Linux
       New #7

    Hi there
    You will need at least one machine to get to Internet to get the relevant ISO -- I recommend UUPDUMP. Now you can disconnect. Boot the ISO into COMMAND mode

    Then

    1) Prepare the target Disk C to receive Windows. I install on VHDX files but assuming you don't want to do that proceed as follows

    2) Diskpart list disk select disk xxx (your C disk)
    3) clean
    4) convert gpt
    5) create partition efi size=100
    6) format fat32
    7) assign letter=S
    8) create partition msr size=128 leave unformatted
    9) create partition primary
    10) format fs=ntfs quick
    11) assign letter=w
    12) exit
    13) dism /Apply-Image /ImageFile:d:\sources\install.wim /index:1 /ApplyDir:W:\ d is the ISO and W your "C" windows target
    14) cd w:\windows\system32
    15) bcdboot w:\windows /s S: /f UEFI
    16) reboot

    You'll now get the post Windows install questions -- it's easier and quicker like this.

    I use vhdx physical files as I can run Windows from any device internal or external and can easily boot various versions by choice at startup e.g :


    Download update for off-network PC - 1803 to 21H2?-multios.png

    Cheers
    jimbo
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