On Windows: Download PSQL and run
$ \i '/yourdirectorypath.../install.sql'
Mac/Linux: First, install Postgresql and PSQL.
Then install the database tables and set up sample data:
$ psql -f /yourdirectorypath.../install.sql
Next, execute the queries yourself
$ psql -f /yourdirectorypath.../queries.sql
Or use our bash script to Draw 10 Winners
$ ./draw10winners.sh