Oracle VirtualBox is a virtualization software product that is comprised of enterprise servers, embedded systems, targeting desktop computers, and a collection of virtual machine tools. It is the only professional-grade virtualization product that is Open Source Software. VirtualBox is capable of virtualizing 32-bit and 64-bit operating systems on systems with AMD and Intel processors. This is possible by using hardware virtualization options that are offered by the processors or completely within the software.
Review System Requirements provided by the Oracle Corporation.
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-- VirtualBox User Manual (Installation instructions are on Page 33.)
VirtualBox: User Manual
VirtualBox: Frequently Asked Questions
VirtualBox: How-to's and Tutorials
Referenced from: Virtualbox.org