VirtualBox is a free virtualizer that extends the capabilities of your existing computer so that it can run multiple operating systems inside virtual machines at the same time. Targeted at server, desktop, and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.. The Best Virtualization Software If you want to run a different operating system on your computer than what came preinstalled, check out the best virtualization software we've tested.
VirtualBox has special software that can be installed inside Windows, Linux and Solaris virtual machines to improve performance and make integration much more seamless.. VirtualBox is a general-purpose full virtualizer for x86 hardware, targeted at server, desktop and embedded use.For a thorough introduction to virtualization and VirtualBox.