System requirements :
Windows 8 - Windows 11
Windows Server 2012 - 2019
only x64

Description :
VirtualBox is a powerful virtualization product for both enterprises and home use. VirtualBox is not only feature rich and a highly capable 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).

Extension Pack adds the following features:
The virtual USB 2.0 (EHCI) device.
The virtual USB 3.0 (xHCI) device.
VirtualBox Remote Desktop Protocol (VRDP) support.
Host webcam passthrough.
Intel PXE boot ROM.
Experimental support for PCI passthrough on Linux hosts.
Disk image encryption with AES algorithm.

Installation :
Option No. 1.
Launch VirtualBox, go to the menu File » Settings » Plugins and add the downloaded file with the extension .vbox-extpack

Option No. 2.
After installing VirtualBox, run Oracle_VM_VirtualBox_Extension_Pack-.vbox-extpack by double clicking the mouse.
Note: If the file has a green icon or the file was associated during the installation of VirtualBox.
Additional Information:
VirtualBox currently runs on Windows, Linux, Macintosh and OpenSolaris 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), DOS/Windows 3. X, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.

On Windows 7 from version VB 6.1 it sometimes works with problems