Open a Command Prompt and change to the VirtualBox installation directory. Choose one of the following options as per the operating system. It comes by default with the VirtualBox installation.

VirtualBox provides a binary file “VBoxManage” to manage it from the command line interface. Installing VirtualBox Extension Pack Using Command Line Interface (CLI) Successful installation of VirtualBox extension packs You will see the installed extension in the list as shown in below image:

The installation will take a few moments.Click the “Install” button to finish the installation.Select the downloaded extension file from the Downloads directory.Click “Install” ( + ) icon in right side.(Or use Tools > Extensions as shown in the screenshot) Go to File menu > Tools > Extension Pack Manager.Open VirtualBox application on your system.Installing VirtualBox Extension Pack Using Graphical User Interface (GUI) You can install it either using the VirtualBox GUI interface or use the command line interface. Next use one of the following options to install it. The default file will be downloaded in the Downloads directory. If you are running older version, then visit Download Old Builds page, and select proper version. Visit to VirtualBox’s download page to download the latest version of extesion file. Make sure the extension pack file must the same version as the VirtualBox version. The first thing is to download the correct version of the VirtualBox extension pack file. Cloud integration features allow the Oracle VM VirtualBox to integrate with Oracle Cloud Infrastructure.Disk image encryption with AES algorithm: This enables you to encrypt the data stored in hard disk images for the guest.

Intel PXE boot ROM: This feature enables to boot up of a VM using an emulated PXE boot ROM for installing a guest operating system.

Host webcam passthrough: This feature enables the guest VMs to use a host webcam.

That helps a user to use any standard RDP client to control the remote VM.

VirtualBox Remote Desktop Protocol (VRDP): VRDP is a backward-compatible extension to Microsoft’s Remote Desktop Protocol (RDP).

The extension pack provides the following added functionality Which extends the functionality of the VirtualBox base package. Oracle VM VirtualBox provides additional extension packs that can be downloaded from the official website.

Virtualbox download extension pack