VirtualBox is designed to run virtual machines on your physical machine without reinstalling your OS that is running on a physical machine. One more VirtualBox advantage is that this product can be installed for free. A virtual machine (VM) works much like a physical one.
A virtual machine (VM) works much like a physical one. An OS and applications installed inside a VM “think” that they are running on a regular physical machine since emulated hardware is used for running VMs on VirtualBox
