Creating a feature for downloading Windows 10 as a qcow2 file involves several steps, including setting up a server to host the file, creating a downloader application, and ensuring legal compliance. However, I'll provide a general outline of how you could approach this, focusing on the technical aspects.
Create a blank QCOW2 file: qemu-img create -f qcow2 win10.qcow2 40G windows 10 qcow2 file upd download
Prerequisites:
qemu-img check -r all windows10.qcow2qemu-img convert -O qcow2 windows10.qcow2 fixed.qcow2