VirtualBox 6.1.26 WindowsLinuxmacOSbr br Descriptionbr Oracle’s VirtualBox virtual machine software is the best free virtualization software; it started in German innotek in 2007 and was acquired by Sun Microsystems after it was acquired by Sun VirtualBox. Finally, since there is so much upstream, Sun was acquired by Oracle, and since then the software has been released under the company name Oracle VM VirtualBox. With this software you can easily install another operating system within your operating system. In fact, this software plays the interface between the host operating system on which the program is installed and the guest operating system installed inside the application.