A QCOW2 file is a storage format used by the QEMU/KVM hypervisor, which allows for thin provisioning—occupying only the space actually used by the guest operating system. Using a pre-built or "better" QCOW2 image can save hours of manual installation and configuration, especially when dealing with Windows 11's strict requirements like TPM 2.0 and Secure Boot. Performance Advantages of Optimized Images
If you cannot find a trustworthy pre-made download, the safest and most "optimised" way is to create your own from an official Windows 11 ISO. windows 11 taoqcow2 better download
Windows does not support QCOW2 files natively. To use them, you have two primary options: Tutorial: how to create a Windows 11 VM - Fedora Discussion A QCOW2 file is a storage format used
qemu-img convert -f raw -O qcow2 windows11.iso windows11.qcow2