I think you already got your answer from Bear but you then do a cross post in the same forum. Please don't do this in future.
And what do you mean by steps of running
tomcat?
Just read the online documentation given by the vendor. It will be even understand by anyone. Then start it by execute startup.bat in tomcat bin folder and type
http://localohost:[portno]/ in your browser and you see the home page. And have a look at the Servlet examples there and it's self explanatory which is enough for you..