: Consider automating Windows 8.1 installations using autounattend.xml answer files. These allow fully unattended installations, perfect for creating reproducible master images. You can generate custom answer files at schneegans.de and use them with the -drive file=fat:rw:path/to/answer/files option in QEMU.
qemu-system-x86_64 -m 4G -enable-kvm -cpu host \ -drive file=win81.qcow2,if=virtio \ -cdrom windows_8_1.iso \ -drive file=virtio-win.iso,index=3,media=cdrom \ -net nic,model=virtio -net user Use code with caution. Copied to clipboard
qemu-img convert -f vdi -O qcow2 Windows8.1.vdi windows81.qcow2 windows 81 qcow2 install
Installing Windows 8.1 on a (QEMU Copy-On-Write) image using a KVM/QEMU hypervisor requires specific drivers to ensure the virtual hard disk and network card are recognized during setup. 1. Preparation Checklist
This command enables VirtIO block device support and uses the QCOW2 virtual disk image. : Consider automating Windows 8
Create a dummy VM via the Proxmox Web UI (e.g., VM ID 105 ). Do not add an ISO.
If the VM hangs during restarts, ensure your QEMU CPU type is set to host or kvm64 . Windows 8.1 requires specific CPU features like CMPXCHG16b, PrefetchW, and LAHF/SAHF to boot properly. qemu-system-x86_64 -m 4G -enable-kvm -cpu host \ -drive
Set your virtual disk cache mode to Writeback within your hypervisor settings. This yields a massive performance boost for database and file operations.
While Windows 8.1 has reached end-of-life, it remains a valuable tool for legacy application testing, software compatibility verification, and exploring Windows history in a safe, isolated environment. The QCOW2 format ensures that your virtualized Windows 8.1 installation remains manageable, with snapshots, cloning, and efficient storage usage.