Windows 10qcow2

qemu-img create -f qcow2 Windows10.qcow2 64G

Windows 10 writes logs, caches, and defragments aggressively. Disable automatic defragmentation in Windows (defragmentation breaks QCOW2’s copy-on-write efficiency). Use fsutil behavior set DisableDeleteNotify 1 for SSD-like trimming. windows 10qcow2

In your QEMU command or virt-manager, add a second CD-ROM drive pointing to virtio-win.iso . qemu-img create -f qcow2 Windows10

With your disk image created and prerequisites in place, you can now start the VM and install Windows. You can use virt-manager for a graphical experience or use the command line for more control. windows 10qcow2

Download the latest installation media from the Microsoft Software Download Page.

This comprehensive guide covers everything you need to know about creating, deploying, and optimizing a Windows 10 QCOW2 image for peak performance. What is a QCOW2 Image?