After following instructions below, you will be able to start working on the project.
To install Ruby and Ruby on Rails, you can go to this site and follow instructions. Ruby on Rails Installation Instruction
After you successfully installed Ruby and Ruby on Rails, you are now ready to start your own server.
First make sure you have already obtained all the files from this repository. Then in your command prompt(or whatever you use), go to the corresponding directory. Then enter this command line.
C:\> rails server
Now open your browser and type the following.
http://localhost:3000
If you see something like, "Welcome aboard" or "Congratulations", then you are ready to roll!