In UTM, under “Drives” → “Advanced”, set Cache to . This improves write performance at the cost of a tiny risk of data loss during a host crash.
: It supports multiple VM states within a single file.
To get a functional Windows 10 ARM environment, you typically convert a Microsoft-provided VHDX (Virtual Hard Disk) into a QCOW2 file or create a fresh one from an ISO. 1. Convert VHDX to QCOW2
Once your QCOW2 file is ready, you can boot it using the qemu-system-aarch64 emulator. Essential Components
Unlike standard x86 Windows, Microsoft does not provide a direct retail ISO for Windows 10 on ARM.
