VirtualBox 5.0 for Linux. Within VirtualBox Windows 7 is running.

VirtualBox 5.0 for Mac OS X. Within VirtualBox Windows 8.1 is running. 

VirtualBox 6.0 for Windows 10 OS. Within VirtualBox Linux Mint 19.1 is running. 

 VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2. 

Presently, VirtualBox runs on Windows, Linux, Macintosh, and Solaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista, Windows 7, Windows 8, Windows 10), DOS/Windows 3.x, Linux (2.4, 2.6, 3.x and 4.x), Solaris and OpenSolaris, OS/2, and OpenBSD. 

Virtualbox is available in 28 languages.

VirtualBox

Windows

Linux

Solaris

<p>VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.</p>

desktop

mobile

tablet

browser

console

wearable

indie

custom

Online

Android

iPhone

iPad

Android Tablet

Self-Hosted

Software as a Service (SaaS)

Chrome OS

Windows Phone

Google Chrome

Firefox

Steam

Kindle Fire

Blackberry

Windows Mobile

Windows S

Wordpress

Apple Watch

PortableApps.com

Magento Community Edition

Apple TV

Opera

Xbox

Playstation

Android Wear

Safari

Java Mobile

Symbian S60

JavaScript

Wine

Blackberry 10

Xfce

Python

Node.JS

Facebook

Java

Haiku

HP webOS

Slack

.NET Framework

Raspberry Pi

Microsoft Office Outlook

Shopify

Internet Explorer

Apps with 'Open VMDK files' feature

VirtualBox