Windows 10 Lite Qcow2

The QCOW2 format is the preferred disk image for QEMU/KVM. Its primary advantages for "Lite" builds include: Thin Provisioning:

qemu-img convert -f vhdx -O qcow2 windows10-lite.vhdx windows10-lite.qcow2 Windows 10 Lite Qcow2

Network engineers use these images to simulate end-user workstations without lagging their simulation servers. The QCOW2 format is the preferred disk image for QEMU/KVM