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: fixed an occasional Guru Meditation (Mac OS X hosts only)
• VMM: fixed a rare condition that would fail to invalidate guest TLB entries or would invalidate them when not required (Windows hosts only)
• VMM: fixed a VERR_NOT_SUPPORTED Guru Meditation seen with certain guests, e.g. OpenServer 5.0.7
• VMM: more fixes for MSR emulation on certain hardware
• GUI: fixed mouse positioning with mouse integration disabled and multiple guest screens (Windows hosts only)
• GUI: fixed crash in VM manager
• GUI: fixed crash under rare conditions on entering/exiting fullscreen/seamless mode
• Shared Clipboard: don't stop working after taking a snapshot
• AHCI: fixed a crash under rare circumstances
• API: fixed a hang during VM shutdown under rare conditions
• NAT: fixed generation of malformed ICMP error datagrams (4.3.10 regression)
• NAT: fixed potential crash in DNS proxy
• NAT Network: don't drop port forwarding rules after some time
• NAT: fixed ARP cache corruption and network loss in Windows guest caused by iSCSI service activity
• USB: improved check if a storage device is currently mounted to the host when the device is about to be attached to the VM (Mac OS X hosts only)
• 3D support: several fixes, including better support for Ubuntu 14.04
• VRDP: fixed a potential crash on client disconnect
• VBoxSVC: fixed a race when a new client is started a few seconds after the last client terminated (Windows hosts only)
• VBoxSVC: fixed VirtualBox.xml registry corruption after VM renaming
• VBoxSVC: fixed a potential crash caused by incorrect USB device filter (Mac OS X hosts only)
• Windows hosts: partly support 32-bit COM on 64-bit systems
• Windows host installer: implemented merge module (msm) support
• Linux hosts: fixed dependency of boot script on older Debian systems
• Linux guests: fix symbolic link to shared folder helper
• Linux Additions: don't crash VBoxService during guest execute for users without a password
• Linux Additions: fixed a bug in guest execution where the guest process terminated with VERR_INTERRUPTED to the host