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fmartel's avatar
fmartel
Brass Contributor
Oct 23, 2021
Solved

Unable to upgrade to Windows 10 21H2

I have a laptop that was in the dev channel. I requested to not receive future builds because my device does not support Windows 11. My laptop is running on Windows 10 insider Dev build 21390.2025. F...
  • Anonymous's avatar
    Anonymous
    Oct 24, 2021

    fmartel 

    I suggest you perform a clean installation of Windows10 - stable latest version, or download ISO from the RP Channel of the Insider program
    Good luck

    https://docs.microsoft.com/en-us/windows-insider/ISOs#clean-installation-with-a-windows-10-iso

fmartel's avatar
fmartel
Brass Contributor
Oct 30, 2021

Just to let you know. The best answer and supported way is to do a clean install.


I instead used a Windows 11 ISO to upgrade my dev channel to Windows 11 Stable to keep my data because i didn't wanted to do a clean install now.
This is not supported but it worked flawlessly. There was no errors, no warnings regarding compatibility.

Don't do what I did I am a professional. 🙂

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