Running "Windows Longhorn" (the pre-reset development code name for Windows Vista) using the

Part 4: The Installation Workflow – Step by Step

With the qcow2 image created and the QEMU command ready, let's install.

Recommendation: Create your own QCOW2 following the steps above. It takes ~20 minutes and ensures you have a clean, working copy. If you need a specific build’s quirks (e.g., Plex theme or WinFS), adjust the ISO build accordingly.

Part 8: Advanced – Converting VMDK/VDI to Qcow2 for Longhorn

Many pre-made Longhorn images online are in VMDK (VMware) or VDI (VirtualBox) format. You can convert them to qcow2 to benefit from KVM snapshot performance.