10 Arm Qcow2 | Windows
The qcow2 format has performance knobs. When creating the image, consider:
qemu-img create -f qcow2 -o cluster_size=64k,preallocation=falloc win10arm.qcow2 40G
Some sources offer pre-installed Windows 10 ARM64 QCOW2 images, but these are often: windows 10 arm qcow2
If you need a safe test image, create it yourself via the Windows Insider Program ISO. The qcow2 format has performance knobs
Create a new VM → Emulate → AArch64 → Use existing disk → select your Qcow2. Some sources offer pre-installed Windows 10 ARM64 QCOW2
| Feature | Status | Notes | |--------|--------|-------| | Boot time | ✅ Fast (10-15s) | NVMe/virtio-block | | Graphics | ⚠️ Basic | No 3D acceleration in Win10 ARM | | x86 emulation | ✅ Works | Windows 10 ARM runs 32-bit x86 apps | | Network | ✅ VirtIO | User-mode NAT works | | Clipboard sharing | ✅ SPICE | Enable SPICE agent in guest |
Known limitations:
⚠️ Note: 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-storagewith emulated SCSI.