This assignment provides a comprehensive guide to installing and configuring virtual machines using VirtualBox. It covers the minimum hardware requirements, benefits, and features of VirtualBox, along with comparisons to other virtualization software like SolarWinds Virtualization Manager and VMware Fusion. The document details the installation process of VirtualBox on a workstation PC, including screenshots. It then walks through the step-by-step installation of Windows Server 2019 and Windows 10 on VirtualBox, including memory allocation, disk configuration, and OS installation. The assignment also explains network configuration settings, including NAT and host-only options, and demonstrates how to limit communication. Further, it covers the use of different networks for virtual PCs, procedures for backing up and restoring virtual machine states, and methods for backing up and restoring virtual hard drives and software configurations. The document concludes with a bibliography of relevant sources.