Use the official Windows 11 ISO and mount the VirtIO drivers simultaneously so Windows can "see" the QCOW2 drive during setup. Alternative: Converting Official VM Images

Frequently hosts pre-baked images tailored for emulation platforms. Proxmox Helper Scripts:

If you prefer a pre-configured environment, download the from Microsoft (VMWare version). You can then convert the .vmdk file to .qcow2 using this command:

: Essential for high-performance disk and network access in QEMU/KVM environments. How to Create Your Own QCOW2 Image