Download the official Windows 11 ISO from Microsoft.
Getting Started with Windows 11 on QEMU: The Best Download Guide (2021 Edition) windows 11 qcow2 download best 2021
To recap, the optimal approach in 2021 is to create a blank QCOW2 disk image, source a Windows 11 ISO from Microsoft, and configure your QEMU/KVM VM with the correct settings for TPM 2.0, UEFI Secure Boot, and VirtIO drivers. This strategy will not only ensure a smooth installation but also provide a fast, stable, and secure Windows 11 environment for all your virtualization needs. Download the official Windows 11 ISO from Microsoft