: You can save the current state of your Windows 7 VM before making risky changes. If something breaks, you can revert instantly to a previous snapshot .
To set up a fresh Windows 7 virtual machine, you generally follow these three steps: windows 7 qcow2 file
Note: The "40G" is the maximum capacity, but the initial file will be very small. : You can save the current state of
: Unlike "raw" images that allocate the full disk size immediately, a 40GB Windows 7 qcow2 file might only take up 10GB of actual disk space if that is all the data installed. : Unlike "raw" images that allocate the full
A is a highly efficient virtual disk format used primarily by the QEMU and KVM hypervisors.
Windows 7 does not natively support the high-performance VirtIO drivers used by KVM. Windows 7.qcow2 - Google Groups
: qcow2 files support transparent decompression and AES encryption, making them easier to transport and more secure. How to Create a Windows 7 qcow2 File