It’s a requirement both on paper and in that, even though Microsoft document an official way to bypass it, they will warn you that they do not even guarantee security updates unless your CPU is supported. Moreover, we know of at least one game, Valorant, that will not work on Windows 11 unless you are meeting its hardware requirements. The bottom line is that installing Windows 11 is a risk.
It’s a requirement both on paper and in that, even though Microsoft document an official way to bypass it, they will warn you that they do not even guarantee security updates unless your CPU is supported. Moreover, we know of at least one game, Valorant, that will not work on Windows 11 unless you are meeting its hardware requirements. The bottom line is that installing Windows 11 is a risk.