In short, for installing express globally you would do: In order to install a module globally you simply append the “-g” flag to your install statement. Local modules are installed in the “node_modules” within your application folder whereas global modules will be installed in a global “node_modules” folder (within the path of nodejs itself). With every Nodejs application you can install modules for the application only or install them globally, so they are available to all applications. But before doing so, you should understand the difference between *global* and *local* modules. Since Express is for Nodejs we can now use npm to install express into our application. Express is the web application framework written for Nodejs.

With npm installed you can now install Express. Now, in order to do some serious development with Nodejs you will also want to install NPM (which stands for Node Packaged Modules) which allows you to expand Node with, e.g. Thus you can simply issue “node” in the terminal. This install node and also adds it to your path. Once installed, you can simply install Nodejs with: To install Homebrew use this (in the terminal): In the many years I’ve used Homebrew I hardly ever had any issues with it. Homebrew pulls downs its updates from a global repository and keeps all packages up-to-date. In this guide I’m using Homebrew since this is seriously the best and easiest way to install software for the Mac. I’ve recently done a lot of work with Nodejs and thought I give a short installation guide on getting up and running on the Mac since there seems some confusion how to install it.

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