All Data Sole images are built for the KVM/QEMU virtualisation standard, so the first step is a host with KVM/QEMU installed.
On Debian or Ubuntu you can install the core packages with your package manager, then confirm virtualisation support is enabled in the BIOS/UEFI.
Once KVM/QEMU is installed and your user can manage virtual machines, you're ready to import a downloaded image and boot it.
Grab the official tooling and documentation from linux-kvm.org.