how can made download manager application in vb.net 2008?

salam sir;
how can made download manager application in vb.net 2008?
please help me if you are help me then thanks you

By writing lots of code :D

Seriously you need to make an effort and then when you run into a problem post the code and describe the problem and someone will lend you a hand but to just ask how can I made ???? program is a waste of everyones time and you will not get the answers you seek.