- Create a new virtual machine.
- Go to System tab, change architecture to `ARM64 (aarch64)' and increase memory as needed.
- Download Alpine Linux LiveCD:
mirror=https://dl-cdn.alpinelinux.org/alpine
curl -o alpine-virt-latest-aarch64.iso "$mirror/latest-stable/releases/aarch64/$(curl "$mirror/latest-stable/releases/aarch64/latest-releases.yaml" | /usr/bin/grep -E 'file: alpine-virt-[0-9\.]+-aarch64\.iso' | head -n 1 | sed 's/ //g' | sed 's/\t//g' | sed 's/^file://')"
- Go to Drives tab, New Drive, set size to 20GiB or larger, then Inport Drive, choose the file you just downloaded.