qemu-img create -f qcow2 windows10.qcow2 25G
sudo apt install libguestfs-tools virt-builder windows-10 --format qcow2 -o BEST-WIN10.qcow2 That command will give you a clean, working, optimized Windows 10 Qcow2 file in less than 10 minutes. No viruses. No driver issues. No grey-area activation hacks.
In this article, we will cut through the noise. We will explain what a Qcow2 file is, why you need a "working" one, and exactly how to obtain the Windows 10 Qcow2 image available today. Part 1: What is a Qcow2 File (And Why Windows 10?) Before we dive into the download, let’s clarify the technical foundation.