https://github.com/hakimel/reveal.js#installation

1.install Node.js

brew install nodejs

2. install Grunt

http://gruntjs.com/getting-started#installing-the-cli

npm install -g grunt-clinpm install grunt --save-dev

3. Clone the reveal.js repository

$ git clone https://github.com/hakimel/reveal.js.git

4.Navigate to the reveal.js folder

$ cd reveal.js

5.Install dependencies

$ npm install

6.Serve the presentation and monitor source files for changes

$ grunt serve

7.Open http://localhost:8000 to view your presentation

You can change the port by using grunt serve --port 8001.