These are my notes on setting up a Windows 11 VM using virt-manager. This is assuming that virt-manager is already set up; I wrote notes on how to set up virt-manager on Artix Linux here.
Download
Firstly, obtain a Windows 11 iso. You can download from Microsoft here: https://www.microsoft.com/en-gb/software-download/windows11
Microsoft blocks VPN users from downloading Windows 11. If you are a VPN user, or if you just don’t want to download from Microsoft’s servers, MASSGRAVE is a reputable source of genuine Windows isos.