Install ruby on rails on windows server 2003

Hi,

I'm brand new to ruby on rails since today. I have a windows web
server 2003. I want to run ruby on rails.

What do I have to install ?

Thanks
Real

This could help you though you can leave out the sybase part.
http://nasir.wordpress.com/2007/10/22/how-to-install-ruby-on-rails-with-sybase-on-windows/

Also make sure that you download the latest version of everything