I’ve packaged (build 4074 / 5048 / 4093 — specify your build) as a ready-to-run QCOW2 image for QEMU/KVM.

Also, disable the and "WinFS" manually inside the guest OS to stop the QCOW2 file from expanding to 10GB unnecessarily.

: Longhorn storage can use QCOW2 files as "backing images". This allows a single "golden image" of Windows to serve as a template for multiple virtual machines, with each instance only saving the (the "delta") to its own disk, significantly saving space. Known Challenges

Some archival sites (e.g., Internet Archive) host pre-configured QCOW2 images.

Run the following command to start the installation. We use the -rtc flag to fix the date and -vga cirrus for maximum compatibility with older Windows drivers: