query about dummy and live website

Hello friends.. i am student of MScIT ..

i want to know one imp thing abt asp.net website..

suppose i have craete one website project... its dummy.. so suppose i want to make it live so is there any changes which i have to do in that..

becoz if its dummy then its based on one local pc. 

for making live that should be accessed by all who access the site..

give me info abut it plz 

thank you