Windows 7qcow2 Best Here

He tweaked the XML configuration of the libvirt domain. He enabled hyper-v enlightenments to trick the OS into thinking it was running on native hardware. He set the CPU mode to host-passthrough , allowing the VM to see the raw power of his Ryzen processor.

For Windows 7 specifically, QCOW2 overcomes the OS’s lack of modern storage drivers (like NVMe) when configured correctly. windows 7qcow2 best

: Ensure your Linux distribution has KVM installed. You can usually install it via your package manager. He tweaked the XML configuration of the libvirt domain