TO run the course in offline mode: 

For Windows Users - 
Double click the 'launch-win' file on the root folder. 
It creates a localized server and opens a course in default browser. 

For Mac Users -
Double click the 'launch-mac-firefox' file in the root folder itself. 

Compatible Browsers: 

For Windows - 
IE 8+
Firefox 26+
Chrome 33+
Safari

For Macintosh - 
Firefox