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.

• VMM: several fixes
• GUI: fixed screenshot if the VM is started in separate mode
• GUI: fixed issue with double-click/opening registered file types (.vbox and .vbox-extpack) on Mac OS X (bug #15648)
• GUI: fixed a bug which made it impossible close some error/warning messages using the close button
• GUI: weakened the control over the VM window behavior allowing to resize it across multiple screens and to use in Snap Assist techniques
• GUI: jump to the second tab of the session information window (5.1.0 regression)
• GUI: fix for Alt-Tab
• Storage: fixed creating fixed size VHD images (bug #15601)
• Storage: fixed a hang during power off if the VM was suspended before and a NVMe controller is configured
• USB: fixed a crash under certain conditions
• Audio: make AC'97 volume control work again (5.1.0 regression; bug #15598)
• Audio: fixed rare VM hangs when using AC'97 emulation
• Audio: SB16 fixes
• EFI: fixed access to devices attached to SATA port 2 and higher (bug #15607)
• OVA: fix for checking certain signatures
• OVA: fixed MAC address generation for appliances created by VirtualBox (5.1.0 regression; bug #15623)
• API: fixed audio settings handling for older config files (bug #15626)
• API: fixed truncation of USB product/vendor IDs on Linux hosts (5.1.0 regression; bug #15644)
• API: fixed VRDP with authentication (bug #15653)
• API: don't crash if there is no graphics controller configured (bug #15628)
• Linux hosts: fixed EL5 builds (bug #15634)
• non-Windows hosts: fixed a crash during shutdown under rare circumstances (bug #15568)
• Linux Additions: fixed SELinux issue which prevented certain Linux guests to work in 3D mode (bug #15574)
• User Manual: updates