A direct download is not officially provided by Microsoft, as they primarily distribute virtual machines in OVA , VDI , and VHDX formats for Enterprise evaluation. To get a high-quality (or "extra quality") QCOW2 image for environments like KVM, Proxmox, or QEMU, the standard approach is to create one manually or convert an official evaluation image. Official Windows 11 VM Sources

Shrink and sparsify the image: