$ sudo npm install watch
$ sudo npm install -g watch

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

$ sudo npm update watch

Update package globally,

$ npm install -g watch

Git clone:

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

$ sudo  npm install -g ./watch

watch@1.0.2 /usr/lib/node_modules/watch

How to remove watch package :

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

$ sudo npm uninstall watch

Basic Information of watch NPM Package: