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→Hardware Virtualization
Hardware virtualization leverages virtualization features built into the latest generations of CPUs from both Intel and AMD. These technologies, known as Intel VT and AMD-V respectively, provide extensions necessary to run unmodified guest virtual machines without the overheads inherent in other forms of virtualization.
It is important to note that most computer systems which support hardware virtualization are shipped with the feature disabled in the default factory settings. When installing VirtualBox on a system which is believed to have Intel-VT or AMD-V support, it may be necessary to enable the system's virtualization support in the system BIOS. The BIOS menu is generally accessed by pressing a particular key sequence during the system boot sequence. Watch the system boot messages for directions on which key to press to access this menu.
== VirtualBox - Software and Hardware Virtualization ==
