How to stop your machine to upgrade to Windows 11 when you receive a message your machine will upgrade to Windows 11 after boot?

1. Stop the Windows Update Service
2. Delete the file in "Software Distribution" folder which can be found in "C: \Windows".
3. Go to registry to set the Windows update target release version to 21H2
4. Reboot your machine without click the upgrade
5. Go to https://www.microsoft.com/en-hk/software-download/windows10 to run the Windows 10 upgrade to upgrade your machine to Windows 10 November 2021 Update (21H2)

 

https://www.howtogeek.com/765377/how-to-block-the-windows-11-update-from-installing-on-windows-10/ 

https://www.istarapps.com/delete-windows-update-files-completely.html

https://www.ghacks.net/2020/06/27/you-can-now-set-the-target-windows-10-release-in-professional-versions/

 

How to stop your machine to upgrade to Windows 11 when you receive a message your machine will upgrade to Windows 11 after boot?