1、下载Windows7的镜像文件
http://www.xitongcheng.com/jiaocheng/win7_article_24156.html
2、在虚拟机上安装Windows7
http://www.xitongcheng.com/jiaocheng/xtazjc_article_26588.html
https://blog.csdn.net/wngpenghao/article/details/79187699
原文：https://www.cnblogs.com/lottche/p/10682291.html