I'm assuming you mean blockchain.info, and if so, you just need to register on an exchange and verify your account. From there you can deposit your bitcoin and sell it for your local currency. 
(However I recommend HODLing)
(However I recommend HODLing)
He want to withdraw his balance from BlockChain and change to real money using their localwallet because he/she want to cashout but he/she don't know what is the recommende wallet for their country, ( am i right @CRST?? )