While you cannot download a file named "windows 7qcow2" directly from Microsoft, the qcow2 format is the best container for running Windows 7 on Linux virtualization platforms. For the best security and stability, .
virsh snapshot-revert win7 before_patches windows 7qcow2
Virtualizing Windows 7 in a QCOW2 environment requires specific tuning for stability. Because Windows 7 predates modern VirtIO standards, performance can be sluggish without the VirtIO Guest Tools While you cannot download a file named "windows
qemu-img info windows7.qcow2
# Convert raw to qcow2 with cluster size = 64K (better for Windows) qemu-img convert -f raw -O qcow2 -o cluster_size=64K windows7.raw windows7.qcow2 windows 7qcow2