The Windows 24H2 update error "This PC can't be upgraded to this version of Windows" indicates compatibility issues encountered during the update process.
Microsoft has released the KB5046613 cumulative update for Windows 10 22H2 and Windows 10 21H2 ... updates for versions 24H2 and 23H2 to fix security vulnerabilities and issues.
Update and Patch Systems: Immediately apply the latest security updates to all edge devices and firewalls, particularly those from Sophos, to mitigate known vulnerabilities like CVE-2020-12271, ...