7.qcow2: Windows

Pro researchers often run Windows 7 VMs inside a dedicated VLAN with no router/gateway.

, allowing you to add a "Host" PC to your virtual topology instantly. Snapshotting: Windows 7.qcow2

You converted a data disk, not an OS disk. Fix: Ensure the original had a bootloader. Or create a new UEFI VM. Windows 7 supports UEFI, but you must enable CSM (Legacy Boot) in the VM firmware. Pro researchers often run Windows 7 VMs inside

You filled the disk or enabled "cache=unsafe" which writes aggressively. Fix: Inside Windows 7, run sdelete -z c: (Sysinternals tool) to zero empty space, then on host run qemu-img convert to reclaim. Fix: Ensure the original had a bootloader

Skip the 30-minute Windows installation process. Just point your hypervisor to the file and boot. Lab Integration: It is the standard format for network emulators like