When a virtual machine solution is mentioned, most of use probably think of the celebrated VMware Workstation (which always stays ahead of the VirtualBox from Germany on performance and compatibility). Compared with VMware Workstation Pro, VMware Workstation Player (AKA: Player Pro, VMware Player for short) is more lightweight in both file size and function (can be seen as the simplified edition of VMware Workstation Pro), runs faster, and is free and more suitable for personal, home or non-commercial use.

Parallels Desktop for Mac is an extremely excellent virtual machine software running on Mac OS - proven, trusted and widely praised. It allows users to easily, seamlessly run Windows, Linux and other operating systems or applications at the same time under Mac OS X, saving the users' trouble of repeatedly rebooting the computer in order to switch between different OS.

As a very excellent virtual machine software with very high performance under Mac OS, VMware Fusion (Pro) is the best way to seamlessly run Windows on a Mac computer. It provides the ultimate Windows experience on a Mac OS, enables you to directly run Windows, Linux, Android or other OS at the same time without having to restart your Mac OS.

VirtualBox (formerly called Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox, now its full name should be Oracle VM VirtualBox) is a powerful cross-platform, open-source and x86-based virtual machine (VM) software. It allows users to virtual other x86-based operating systems on 32-bit or 64-bit Windows, Solaris and Linux operating systems, that is to say, the user can install and run Solaris, Windows, DOS, Linux, OS/2 Warp, OpenBSD or FreeBSD system as the client operating system in VirtualBox.