VM Virtual Box

Virtual Box是一种计算机模拟器，可以模拟多个操作系统

Virtual Box is a Computer Simulator that simulates several operating systems, with Virtual Box you can simulate an operating system, from installation to the desktop and even simulate a computer program, but it NEVER emulates it. You can use this app for learning or play purposes, as it can make someone think that you have installed a computer on your Smartphone.