>> what are the jar files to be added?
Please check readme-ui.txt file located in the distribution for the list.
>> whether config maven is necesssary?
Maven is not required to use RF4.
>> Class 'org.richfaces.renderkit.html.AjaxPollRenderer' is not an instance of 'class javax.faces.render.Renderer'
What application server & JSF version are you using?
whether to run richfaces m4 we need jboss server6 ?or earlier version jboss5 its enough?