For system admins and developers, a pre-built QCOW2 image of Windows 7 is a massive time-saver. You simply download the file, attach it to your hypervisor, and boot it up—bypassing the 20-30 minute installation process.
: If you have a 25-character key, you can still use the Microsoft Legacy Archive to get a clean ISO. download windows 7 qcow2 image 2021