May be you can not clarify you question. You should clear your question.

Anyway, there is no withdrawal system in this forum. So you no need to know about it.

Bounty campaign/ Signature campaign : If you join any bounty campaign then you need to submit the address according to the currency. And the manager will send the rewards to your address after finishing the bounty. You no need do anything except submitting correct address.   

Withdraw from any exchange:  If you want to withdraw from any exchange then you need a account on that exchange....
I think you should search on YouTube  about exchange withdrawal system. Because by watching video you will be helped very much than here. Just search on yourtube by typing " How to make withdraw from X exchange"