go to the balance page
to the right of the required currency there are two buttons a green Deposit and a red withdrawal
press the green button
You will be redirected to the Deposit page
Important you must be registered and authorized in the payment systems before you can make a Deposit
select a payment system, enter the Deposit amount, click the Deposit button, then follow the on-screen instructions.
press the red button
if you have Fiat currencies on your balance, you will be offered a form . in which you must fill in all fields . and click the withdraw button, then confirm the withdrawal via email