Navigate to the “Funds” tab of your account. Under the Wallet module you will see a list of all currencies available for Withdrawals and Deposits.
Find the currency you wish to withdraw and click the “Withdrawal” button in order to navigate to the Withdrawal module. Click on the "Withdrawal Address" drop down menu, and select the desired address (please note that all new Withdrawal addresses must first be added to your Withdrawal Whitelist):
After choosing a withdrawal address, enter the amount you wish to withdraw in the "Amount" field and click "Withdrawal":
Always make sure to double check that you have selected the proper Withdrawal Address and entered the correct withdrawal amount.
Please note that fiat currencies aren't available for deposit and withdrawal at the moment.