Windows 11 Qcow2 ((free)) Download Best -

Manually installing Windows 11 from an ISO takes 30-45 minutes, requires downloading drivers for VirtIO (storage/network), and often fails due to TPM 2.0 and Secure Boot requirements. A pre-built skips all that.

On the host, ensure the virtio-balloon device is added. Then inside Windows 11, device manager should see "VirtIO Balloon Driver". This allows the host to reclaim unused RAM from the Windows VM. Windows 11 Qcow2 Download BEST