The most reliable and secure method is to download the official Windows 11 Disk Image (ISO) from Microsoft and then use the qemu-img tool to create your own QCOW2 virtual disk. Why you should build your own:
Several open-source projects maintain "driver-ready" images specifically for QEMU/KVM.
To ensure Windows 11 runs smoothly, apply these best practices to your QCOW2 configuration: windows 11 qcow2 download best upd
If you require a permanent enterprise deployment or want to avoid evaluation limits, creating your own QCOW2 image from an official ISO is the best practice. Step 1: Create a Blank QCOW2 Disk
Windows 11 enforces strict system requirements, including TPM 2.0, Secure Boot, and specific CPU architectures. If you run your QCOW2 image on KVM, you must configure the hypervisor to present these components to the guest OS. Secure Boot and TPM Emulation The most reliable and secure method is to
) to allow Windows to recognize the QCOW2 disk during setup. Alternative: Specialized Cloud Images
If your VM has no internet, download from : Step 1: Create a Blank QCOW2 Disk Windows
Windows does not natively include QEMU/KVM storage and network drivers. Without them, your virtual machine installer won't recognize the QCOW2 virtual hard drive.
However, Microsoft does not officially distribute Windows 11 as a QCOW2 file. You have three options: build your own, use a community script, or download a pre-configured image.
Preparacion: Installing all tools: sudo apt-get install qemu-kvm bridge-utils ovmf virt-manager samba qemu-utils qemu-system-x86 \ Download Windows 11 - Microsoft
Run your VM using the overlay. After major updates, the overlay grows. You can then changes back to the master and discard the overlay.