VirtualBox 4.1.8 [i386/x86/64] | 2,52 Gb
VirtualBox - a e~ program to create a memory PC practical machines. Each virtual machine can comprehend an arbitrary set of virtual devices and a sunder operating system.
Scope of virtual machines is remarkably wide - from performing the functions of software testing to appoint entire networks, which are easily squamose, load-balance and protect. VirtualBox is released, open source software.