$ sudo npm install node-sass
$ sudo npm install -g node-sass

If want to update the node-sass package execute the command as below,

$ sudo npm update node-sass

Update package globally,

$ npm install -g node-sass

Git clone:

$ sudo  git clone https://github.com/rektide/node-sass.git

$ sudo  npm install -g ./node-sass

node-sass@4.7.2 /usr/lib/node_modules/node-sass

How to remove node-sass package :

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

$ sudo npm uninstall node-sass

Basic Information of node-sass NPM Package: