Microsoft does not provide a direct, standalone download for Windows 10. Official Windows virtual machines are typically offered as (VirtualBox), or (VMware) files. Microespana To get a Windows 10 file, you generally have two reliable options: 1. Download an Official ISO and Install Manually
qemu-system-x86_64 \
-m 4096 \
-smp 2 \
-drive file=windows10.qcow2,format=qcow2 \
-drive file=Win10_21H2_English_x64.iso,media=cdrom \
-enable-kvm \
-cpu host
# Example conversion (assuming you have a windows10.iso)
qemu-img create -f qcow2 windows10.qcow2 64G
virt-install --cdrom=windows10.iso --disk path=windows10.qcow2 --virt-type=kvm --video=virtio --channel=virtio --memory=4096 --cpu=2 --name win10vm
The -c flag compresses the image.
Once Windows boots to the desktop, run Windows Update immediately. Let it install the cumulative updates. This confirms your QCoW2 is updatable. windows 10 qcow2 file upd download
# Mount the QCOW2 and inject updates
virt-customize -a windows10.qcow2 --run-command "wuauclt /detectnow /updatenow"