首先，去这两个的官网，下载安装，都没问题。

第二，记得以管理员方式运行程序，可能会少很多麻烦

第三，编译的时候，命令行提示错误：

So far, no MiKTeX administrator has checked for updates.

怎么办？

• opened the Windows Start Menu to the MikTeX 2.9 section,
• right-clicked on MikTex Console and selected Run as administrator from the context menu,
• in MikTeX Console selected Switch to MikTeX administrator mode,
• and checked for updates.
• and do update

第四，写中文，怎么办？

\usepackage{ctex}