Using SPIN for model checking

[Patrick Fulgence]

Hi, 

I need to learn how to use the tool SPIN based on promela language. What do I 
need to get on my computer for that ? I've very embarassed because I don't 
arrive to do antything for understanding how it works. I've read a lot of 
stuff about that nut I still being not on the way for using it. Need your help 
please.

Thanks.
Patrick.