$ sudo npm install express-ws
$ sudo npm install -g express-ws

If want to update the express-ws package execute the command as below,

$ sudo npm update express-ws

Update package globally,

$ npm install -g express-ws

Git clone:

$ sudo  git clone https://github.com/rektide/express-ws.git

$ sudo  npm install -g ./express-ws

express-ws@3.0.0 /usr/lib/node_modules/express-ws

How to remove express-ws package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall express-ws

Basic Information of express-ws NPM Package: