If you are running on an x86 host, performance will be slow due to emulation. Use an ARM host for KVM acceleration.
Tools like raspiduino/waq provide scripts to automate the download and configuration of Windows 10 for ARM on QEMU. 2. Create Your Own Image (Recommended)
At the center of this virtualization ecosystem is the (QEMU Copy-On-Write version 2) file format. This guide explores what Windows 10 on ARM QCOW2 images are, how to obtain or build them, and how to deploy them for maximum performance. What is a Windows 10 ARM QCOW2 Image?
-drive file=win10-arm.qcow2,if=virtio,discard=unmap
Before diving into the technical steps, it is essential to understand how these two technologies interact. windows 10 arm qcow2
For decades, the x86 architecture dominated the computing landscape. That tide is turning. With the rise of Apple Silicon (M1, M2, M3), AWS Graviton processors, and Qualcomm’s Snapdragon X Elite, ARM is no longer just for smartphones—it is the future of desktop and cloud computing.
qemu-system-aarch64 \ -machine virt,highmem=off \ -cpu host \ -accel hvf \ -m 4G \ -bios /opt/homebrew/share/qemu/edk2-aarch64-code.fd \ -drive file=win10arm.qcow2,format=qcow2,if=virtio \ -drive file=virtio-arm64.iso,if=virtio,media=cdrom \ -netdev user,id=net0 \ -device virtio-net-device,netdev=net0 \ -device ramfb \ -vga none \ -usb -device usb-tablet \ -rtc base=localtime
Once on the Windows desktop, open Device Manager , right-click any missing devices (marked with yellow triangles), and update their drivers by scanning the VirtIO CD-ROM. Step 5: Performance Optimization Tips
Then, schedule regular optimization (Defragment and Optimize Drives → Optimize for SSD). If you are running on an x86 host,
When Windows asks where to install, the drive will be invisible. Click "Load Driver," browse to the virtio-win ISO, and select viostor for your Windows version. Install: Proceed with the installation normally.
⚠️ Windows 10 ARM does not include native VirtIO drivers for block/net. You must inject VirtIO ARM64 drivers into the ISO or use -device usb-storage with emulated SCSI.
Ensure you are using the correct UEFI firmware ( QEMU_EFI.fd ) and that the QCOW2 image is properly configured with virtio-blk or virtio-scsi.
For legitimate access, users can join the Windows Insider Program and download preview builds from Microsoft's official website. When downloading, click on "arm64" from the dropdown, select your edition, and proceed with the download. What is a Windows 10 ARM QCOW2 Image
This article covers setting up Windows 10 ARM, creating a dedicated qcow2 image, and running it efficiently. What is a windows 10 arm qcow2 Image?
After the initial install, remove the ISO and boot only from the qcow2 disk. 4. Optimization: QCOW2 Best Practices
Once Windows boots, you must complete the Out-of-Box Experience (OOBE). If you used VirtIO devices, the installer may claim it cannot find a disk or a network connection. Loading Drivers During Setup When prompted for a disk selection, click . Browse the attached virtio-win.iso CD-ROM drive.