https://arstechnica.com/gadgets/2021/09/windows-11-setup-warns-that-you-arent-entitled-to-updates-on-unsupported-pcs/

Officially, running Windows 11 will require a newer PC that meets all of the operating system's performance and security requirements. Unofficially, running Windows 11 without meeting those requirements will be possible, but we still don't know much about the details—how difficult it will be to install Windows 11 on those machines, how frequently they will remind you that you're running on unsupported hardware, and even whether they'll receive normal Windows security updates.