https://arstechnica.com/gadgets/2021/08/microsoft-may-withhold-security-updates-from-unsupported-windows-11-pcs/

There are still a lot of question marks about running Windows 11 on unsupported hardware. We know that Microsoft won't go to extraordinary lengths to keep you from running it, we know that the new OS won't be offered to older PCs automatically using Windows Update, and we know that although Microsoft's preferred security settings can degrade performance on older hardware, those settings still won't be the defaults for new installs. But now, Microsoft has added another question to that list: Will unsupported PCs be able to get updates?