@Nepalibhai  ...thank you very much for your great advice, i did spend a lot of time today trying to set up free windows 20003 server from CNET download as i don't have CD for this , but i got error "Not enough server storage to process this command" ,even i created "IRPstackSize" and value to "50" didn't work,Now i'm following  your steps. and yes it's for learning purpose only, and my laptop have 32 bit memory size only,can you suggest me which of the thing you mentioned will be better to install ,
               Currently  i'm  downloading ...the 2008 R2 server...and let's see how it goes,
i certainly need your advice ,plz keep reading my post.,you are genious by the way.thank you.