The installation can be started in either of the following ways:

• By double-clicking on the executable file.

• By entering the following command:

  VirtualBox-<version>-<revision>-Win.exe -extract

  This will extract the installer into a temporary directory, along with the .MSI file. Run the following command to perform the installation:

  msiexec /i VirtualBox-<version>-<revision>-Win.msi

Using either way displays the installation Welcome dialog and enables you to choose where to install , and which components to install. In addition to the application, the following components are available:

• USB support. This package contains special drivers for your Windows host that requires to fully support USB devices inside your virtual machines.

• Networking. This package contains extra networking drivers for your Windows host that needs to support Bridged Networking. This enables your VM's virtual network cards to be accessed from other machines on your physical network.

• Python support. This package contains Python scripting support for the API, see Programming Interfaces. For this to work, an already working Windows Python installation on the system is required.

  See, for example: http://www.python.org/download/windows/.

  Python version 3 is required. Python version 2.x is no longer supported.

Depending on your Windows configuration, you may see warnings about unsigned drivers, or similar. Click Continue for these warnings, as otherwise might not function correctly after installation.

The installer will create an group in the Windows Start menu, which enables you to launch the application and access its documentation.

With standard settings, will be installed for all users on the local system. If this is not wanted, you must invoke the installer by first extracting as follows:

VirtualBox.exe -extract

Then, run either of the following commands on the extracted .MSI file. This will install only for the current user.

VirtualBox.exe -msiparams ALLUSERS=2

msiexec /i VirtualBox-<version>-Win.msi ALLUSERS=2

If you do not want to install all features of , you can set the optional ADDLOCAL parameter to explicitly name the features to be installed. The following features are available:

VBoxApplication

Main binaries of .

This feature must not be absent, since it contains the minimum set of files to have working installation.

VBoxUSB

USB support.

VBoxNetwork

All networking support. This includes the VBoxNetworkFlt and VBoxNetworkAdp features.

VBoxNetworkFlt

Bridged networking support.

VBoxNetworkAdp

Host-only networking support

VBoxPython

Python support

For example, to only install USB support along with the main binaries, run either of the following commands:

VirtualBox.exe -msiparams ADDLOCAL=VBoxApplication,VBoxUSB

msiexec /i VirtualBox-<version>-Win.msi ADDLOCAL=VBoxApplication,VBoxUSB