Express is not an internal or external command for Windows solutions

1. First look at the directory where you installed your Express (Express is already installed and you want to use Express command in other directories)

See if there are express.cmd files in the parent directory of the current directory

Open command line view version

If the version before 4.x, such as 3.5, and so on, then directly in the system environment variable path, add the path of the Express.cmd file exists.

2. Do not know where your Nodejs global path is? Look at the global path in your system, with the following command:

NPM root-g3. How to set the global path window下：npm config set prefix C:\\Users\\pc\\global 4.如果安装的express是4.X就要安装 express-generator

Express is not an internal or external command for Windows solutions