VirtualBox is a free open source virtual machine which allows you to run multiple operating systems on one computer for testing and more!
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Download VirtualBox, the best free open source virtual machine software.

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Clicking this button launches Optimum Installer ™ which will manage your download: learn more. VirtualBox is also available for free from the developers's website.


Download VirtualBox to run multiple operating systems simultaneously. VirtualBox allows you to run more than one operating system at a time. This way, you can run software written for one operating system on another (for example, Windows software on Linux or a Mac) without having to reboot to use it.
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With this VirtualBox Download, software installations are a snap. Software vendors can use virtual machines to ship entire software configurations. For example, installing a complete mail server solution on a real machine can be a tedious task. With VirtualBox, such a complex setup (then often called an "appliance") can be packed into a virtual machine.
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Testing and disaster recovery. Once installed, a virtual machine and its virtual hard disks can be considered a "container" that can be arbitrarily frozen, woken up, copied, backed up, and transported between hosts. On top of that, with the use of another VirtualBox feature called "snapshots", one can save a particular state of a virtual machine and revert back to that state, if necessary.
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Infrastructure consolidation. Virtualization can significantly reduce hardware and electricity costs. Most of the time, computers today only use a fraction of their potential power and run with low average system loads. A lot of hardware resources as well as electricity is thereby wasted. So, instead of running many such physical computers that are only partially used, one can pack many virtual machines onto a few powerful hosts and balance the loads between them.
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Another VirtualBox feature called "snapshots", one can save a particular state of a virtual machine and revert back to that state, if necessary. This way, one can freely experiment with a computing environment. If something goes wrong (e.g. after installing misbehaving software or infecting the guest with a virus), one can easily switch back to a previous snapshot and avoid the need of frequent backups and restores.
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VirtualBox creates a Virtual Machine - This is the special environment that VirtualBox creates for your guest operating system while it is running. In other words, you run your guest operating system "in" a VM. Normally, a VM will be shown as a window on your computer's desktop, but depending on which of the various frontends of VirtualBox you use, it can be displayed in full screen mode or remotely on another computer.
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This download is compatible with Window's Operating System only. This software may be available for other operating systems via the manufacturer's website. You will need to use Internet Explorer, Mozilla Firefox, or Google Chrome to initiate the download.

This site offers VirtualBox for download free of charge. This VirtualBox download comes with Optimum Installer and recommends other optional downloads during the install process. Clicking a download link on this site launches Optimum Installer ™ which will manage your download: learn more. VirtualBox is also available directly from the developers's website.

Additional Software & Changes to your browser settings

Once you start the installation process, we may offer you additional software or toolbars, that we think you may find useful. You do NOT have to install any additional software and you can choose to "Skip All" if you don't want to see any software we are recommending to you.
Some software may offer to change your browsers' homepage, or your browsers' default search engine and may also ask you to to install a search toolbar to enhance your search experience. You do not have to install toolbar or change any of your browsers' settings in order to use the software offered on this page. See an example of the install process below:

Incredibar Toolbar
During the install you may be asked if you want to install Incredibar toolbar. This is a toolbar which allows you to play games, play videos and music, and more with the click of a button. Incredivar is optional and is not required to install your chosen software. To remove Incredibar, simply go to your default browser - plugins/addons - and select "disable" or "remove".

Facemoods Toolbar
During the install you may be asked if you want to install Facemoods toolbar. This is a toolbar which allows you to use a variety of smiley faces with Facebook, and is optional and is not required to install your chosen software. To remove Facemoods, simply go to your default browser - plugins/addons - and select "disable" or "remove".


Babylon Toolbar
During the install you may be asked if you want to install Babylon toolbar. This is a toolbar which helps translate a variety of languages, and is optional and is not required to install your chosen software. To remove Babylon, simply go to Window's add/remove programs and select "uninstall" from there.

This website is in no way associated with Oracle or the makers of VirtualBox.
VirtualBox is a registered trademark internationally registered to Oracle.
VirtualBox can be downloaded directly from the manufacturer at http://www.virtualbox.org and this site fully complies with the VirtualBox GPL license with source code available here: https://www.virtualbox.org/browser/vbox/trunk.