To create a functional Windows 7 QCOW2 image, you must integrate specialized drivers, as Windows 7 does not natively support modern virtualized hardware. Create the Virtual Disk command to create a thin-provisioned disk: qemu-img create -f qcow2 windows7.qcow2 40G Mount the ISOs You will need both the Windows 7 ISO VirtIO Drivers ISO (provided by the Fedora Project). Inject Drivers During Install
Setting up Windows 7 in a QCOW2 environment involves specific technical hurdles: VirtIO Drivers Windows 7 Qcow2