Unlike raw disk images ( .img or .raw ), the QCOW2 format offers advanced storage management features:
Open services.msc , locate Windows Search , change the startup type to Disabled , and stop the service. Windows 10.qcow2
You will see the virtual size, disk size (currently tiny), and cluster details. Unlike raw disk images (
-drive file=Windows 10.qcow2,format=qcow2,if=virtio,aio=native,cache.direct=on locate Windows Search