See my other comment; also, here's MS' timetable:

https://learn.microsoft.com/en-us/windows/release-health/supported-versions-windows-client

edit: How to edit the Windows registry to override a W11 upgrade push

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

See my other comment; also, here's MS' timetable:

https://learn.microsoft.com/en-us/windows/release-health/supported-versions-windows-client