Revert To Build-1909 From Build-2004

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  1. Posts : 56,064
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #11

    Lance1 said:
    I backup my systems once a week on removable drives and keep them on a shelf. I use Easeus Todo Backup Technician, Why?? Because if I'm going to purchase a backup solution I want all the toys.


    Revert To Build-1909 From Build-2004-2020-07-07_09h04_33.png
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  2. Posts : 24,649
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #12

    Lance1 said:
    I backup my systems once a week on removable drives and keep them on a shelf. I use Easeus Todo Backup Technician, Why?? Because if I'm going to purchase a backup solution I want all the toys.
    f14tomcat said:


    Revert To Build-1909 From Build-2004-2020-07-07_09h04_33.png

    All the toys, but that $999 price is just for a one year licence @ $83.25/month, auto-renewing until you cancel.

    Macrium's 'all the toys' edition is cheaper.....

    Revert To Build-1909 From Build-2004-image.png
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  3. Posts : 32
    Windows 10 Pro
    Thread Starter
       #13

    Lance1 said:
    Are the folders there? Are you getting an error like access denied?
    Funny story really. I deleted them after I installed build-2004
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  4. Posts : 4,585
    Windows 10 Pro
       #14

    Billy, there is no reason to install 2004 this soon, 1909 works great.
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  5. Posts : 3,995
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       #15

    Bree said:
    Unfortunately no. The only way to downgrade to an earlier version of Windows 10 is a clean install. You will loose all your installed apps and your user files too.
    On a Repair install you run Win 10 (same version) setup under Windows. It replaces Windows keeping programs and data. Can't see why it wont do the same with an older version.
    Billy Ball, after you make your backups but before you do a clean install, try to run Win 7 1909 setup to see what happens.
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  6. Posts : 17,281
    Windows 11 Pro
       #16

    Megahertz said:
    On a Repair install you run Win 10 (same version) setup under Windows. It replaces Windows keeping programs and data. Can't see why it wont do the same with an older version.
    Billy Ball, after you make your backups but before you do a clean install, try to run Win 7 1909 setup to see what happens.
    It's never worked that way, unfortunately. Although, doing a custom install to a partition containing a Windows 10 is supposed to save user files in windows.old - but I wouldn't count on that as a backup.

    https://answers.microsoft.com/en-us/...5-abecfbf68300
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  7. Posts : 807
    Windows 10 Professional x64 21H2
       #17

    f14tomcat said:


    Revert To Build-1909 From Build-2004-2020-07-07_09h04_33.png
    It's actually this. Buy EaseUS Todo Backup Technician When it becomes obsolete I'll find something ells.
    Attached Thumbnails Attached Thumbnails Revert To Build-1909 From Build-2004-1-year.png  
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  8. Posts : 24,649
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #18

    Megahertz said:
    On a Repair install you run Win 10 (same version) setup under Windows. It replaces Windows keeping programs and data. Can't see why it wont do the same with an older version..
    Registry setting changes are the problem. When you upgrade to a newer version Setup knows what all the old version's registry settings mean, and how they should be migrated. When you try to downgrade the newer registry settings are not understood by Setup so a clean install is the only safe option.

    When performing an in-place 'downgrade' from 2004 to 1909 both the 'Keep....' options are greyed out.

    Revert To Build-1909 From Build-2004-downgrade-2004-1909-place-upgrade.gif

    Only when booting from the 1909 install usb and selecting the existing 2004 Windows partition as the install location will your previous (newer?) verison be saved to a Windows.old folder. You'll be able to retrieve your user files from there (but NOT any installed apps).

    Revert To Build-1909 From Build-2004-downgrade-2004-1909-booted-install-usb.gif
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  9. Posts : 807
    Windows 10 Professional x64 21H2
       #19

    Sorry Bree I missed your post #12
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  10. Posts : 56,064
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #20

    Lance1 said:
    It's actually this. Buy EaseUS Todo Backup Technician When it becomes obsolete I'll find something ells.
    Thanks. I saw that when @Bree posted the breakdown earlier.


    Revert To Build-1909 From Build-2004
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