VirtualBox is a free and open-source virtualization software that allows users to create and run virtual machines on their computers. With VirtualBox, users can install and run multiple operating systems simultaneously on their computer without having to create separate partitions or buy additional hardware.

one of the main advantages of VirtualBox is its ease of use. It is simple to install and set up, even for those who have little or no experience with virtualization technology. VirtualBox also offers a wide range of customization options, including the ability to adjust the amount of RAM, CPU cores, and hard disk space allocated to each virtual machine.

Another great feature of VirtualBox is its compatibility with a wide range of operating systems. Users can install and run Windows, Linux, macOS, and many other operating systems on their virtual machines. This makes it an excellent tool for developers, software testers, and anyone who needs to run multiple operating systems on a single computer.

VirtualBox also offers a range of advanced features, such as support for USB devices, shared folders, and network adapters. These features make it possible to run software that requires hardware or network resources, such as virtual routers, firewalls, and servers.

VirtualBox is an excellent choice for anyone who needs to run multiple operating systems on a single computer. Its ease of use, wide range of customization options, and compatibility with many different operating systems make it a versatile and powerful tool for developers, IT professionals, and home users alike.

Key Feature:

• Cross-platform compatibility.
• Intuitive graphical user interface.
• Support for various operating systems.
• Seamless integration with host operating system.
• Snapshots and clones.
• Networking capabilities.
• Virtual device support.
• Extension packs for additional functionality.

• GUI: the update check now uses the HTTP system proxy settings by default
• GUI: About dialog improvements. Copyable version text, do not close dialog on mouse-clicks and focus losing, explicit close button at the bottom of dialog and disabled close button fix on OS X.
• GUI: fixed bug when re-assigning shortcuts
• GUI: fixed default focus button in message-box dialogs
• GUI: fixed settings dialog which is opened if the network settings need to be changed at VM startup
• GUI: fixed crash during VM start if an early error message needs to be shown, for example Linux kernel modules not present
• Bridged Networking: fixed handling of guest DHCP requests without UDP checksum when bridging to a wireless interface
• Audio: latency fixes
• Guest Control: correctly set USERNAME and USERPROFILE environment variables
• Guest Control: several fixes
• API: properly restore NAT port forwarding rules when reverting to a snapshot
• Parallel ports: Several fixes allowing to enable two parallel ports for a VM
• VBoxManage: fixed wrong output of debugvm show command
• VBoxManage: fixed hang when specifying logging groups with debugvm log starting with h, for example hex
• Windows hosts: renamed VBoxStartup.log to VBoxHardening.log and provide this log file in the GUI log viewer
• Windows hosts: fixed a small memory leak in the Windows host interface driver (VBoxNetAdp) which caused a BSOD if the driver verifier is enabled
• Windows hosts: fixed a failure to start VMs on hosts where dsound.dll is not available
• Windows hosts: another fix for VERR_LDR_MISMATCH_NATIVE errors
• Windows hosts: fixed host-to-guest communication with bridged networking
• Windows hosts: fixed broken data receiving from the serial device with the named pipe backend if Kaspersky AV is installed
• Linux hosts: Linux 4.3 compile fixes
• Linux hosts: installer fix for certain systems
• Linux hosts / guests: native systemd support for the host/guest installer scripts. The scripts for re-compiling the kernel modules are now located at /sbin/rcvboxdrv (host) and /sbin/rcvboxadd (Guest Additions)
• Mac OS X hosts: GUI-related fixes for El Capitan
• Mac OS X hosts: fixed a problem with capturing USB devices under El Capitan
• Mac OS X hosts: allow colon character on shared folders
• Linux Additions: properly set the VBoxService process ID in the PID file
• Linux Additions: Guest Control fixes
• Windows Additions: fixed shutting down VBoxTray when running with older VirtualBox host versions
• Windows Additions: fixed video playback with VLC and Windows Media Player when the WDDM driver is used and 3D is not used
• Windows Additions: prevent a possible VLC crash when the WDDM driver is used and 3D is enabled by implementing YV12 surfaces