Windows 10qcow2 Verified -

stands for QEMU Copy-On-Write version 2 . It is a disk image format that offers advanced features like snapshots, compression, encryption, and dynamic allocation.

virsh snapshot-create-as win10 --name "before-update" --disk-only --atomic Or using QEMU: windows 10qcow2

qemu-img snapshot -c pre_patch windows10.qcow2 qemu-img snapshot -l windows10.qcow2 # List snapshots Create a base image (golden master) and never modify it: stands for QEMU Copy-On-Write version 2