Utility ~ Oracle VirtualBox
VirtualBox is a free Open Source Software virtualization product that runs under Windows, Mac, Linux or Solaris, and lets you run multiple operating systems (inside multiple virtual machines) at the same time. So, for example, you can run Windows and Linux on your Mac. See https://www.virtualbox.org/ for details.
See Family Historian & Ancestral Sources on Oracle VirtualBox for additional advice.
Click on the link below and follow the download and installation instructions.