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Download VirtualBox 4.3.0 Beta 1

VirtualBox 4.3.0 Beta 1

By Oracle  (Open Source)
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VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

Some of the features of VirtualBox are:

  • Modularity. VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design. This makes it easy to control it from several interfaces at once: for example, you can start a virtual machine in a typical virtual machine GUI and then control that machine from the command line, or possibly remotely. VirtualBox also comes with a full Software Development Kit: even though it is Open Source Software, you don't have to hack the source to write a new interface for VirtualBox.
  • Virtual machine descriptions in XML. The configuration settings of virtual machines are stored entirely in XML and are independent of the local machines. Virtual machine definitions can therefore easily be ported to other computers.
Title: VirtualBox 4.3.0 Beta 1
Filename: VirtualBox-4.3.0_BETA1-88249-Win.exe
File size: 90.14MB (94,513,936 bytes)
Requirements: Windows XP / Vista / Windows 7 / XP 64-bit / Vista 64-bit / Windows 7 64-bit / Windows 8 / Windows 8 64-bit / Windows 10 / Windows 10 64-bit
Languages: Multiple languages
License: Open Source
Date added: August 21, 2013
Author: Oracle
www.oracle.com
MD5 Checksum: 8C8AA2C78EE727823FE5E62EC43C311F

# The following major new features were added:
* VMM: major rewrite of the VT-x code including many bug fixes and performance improvements
* GUI: keyboard shortcuts management (input page of global preferences extended with
* possibility to edit general keyboard shortcuts for VirtualBox Manager and Virtual Machine)
* GUI: extended messaging mechanism (new non-modal popup overlays used to show noncritical warnings and provide user with additional information)
* GUI: video capturing support
* GUI: host touch devices support (GUI passes host touch-events to guest)
* Emulated USB touch devices
* VRDP: support for IPv6
* NAT: experimental virtual router mode: several VMs are attached to the same internal network and share one NAT service
# In addition, the following items were fixed and/or added:
* VMM: properly handle NMIs on Linux hosts with X2APIC enabled
* GUI: update check uses https
* GUI: lot of internal stuff rewritten (cleanup and bug-fixes)
* Settings: global and per-VM default frontend configuration, useful to select the use of alternative VM frontends
* Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes
* Main: new event queue implementation which does not use the host’s native event queue for processing VirtualBox events anymore
* Main: use the XDG standard configuration folder instead of .VirtualBox on systems where it is appropriate
* VBoxManage: list more information about hard disk/DVD/floppy media, and support the--long option to show really all available details
* VBoxManage: added support for optional command line parameters for the automatic Guest Additions update
* VBoxManage: added support for listing active guest sessions, guest processes and/or guest files via guestcontrol list <all|sessions|processes|files>
* VBoxManage: added support for closing active guest sessions via guestcontrol session close --session-id <ID>| --session-name <name or pattern>|--all
* VBoxManage: added support for terminating active guest processes via guestcontrol process kill|close|terminate --session-id <ID>| --session-name <name or pattern> <PID> ... <PID n> or guestcontrol [p[s]]kill --session-id <ID>| --session-name <name or pattern> <PID> ... <PID n>
* VBoxManage: added support for watching guest sessions via guestcontrol watch
* 3D support: several fixes
* 3D support: several fixes for Mac OS X hosts
* OVF: several fixes
* Keyboard: fix for reporting key sequences like Ctrl+Alt+Del for the USB keyboard emulation
* Shared Clipboard/X11: support for BMP-format images, contributed by François Revol
* Windows hosts: don’t cause massive DPC latency
* Windows hosts: consider symlinks when retrieving volume information
* Windows Additions: fixed misbehavior with guest display power management (WDDM driver only)
* Windows guests: ability to track guest user idle times through the newly introduced event IGuestUserStateChangedEvent

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