$ sudo npm install radium
$ sudo npm install -g radium

If want to update the radium package execute the command as below,

$ sudo npm update radium

Update package globally,

$ npm install -g radium

Git clone:

$ sudo  git clone https://github.com/rektide/radium.git

$ sudo  npm install -g ./radium

radium@0.19.6 /usr/lib/node_modules/radium

How to remove radium package :

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

$ sudo npm uninstall radium

Basic Information of radium NPM Package: