Click on "Recharge" button on the upper left corner on your monitor display.
Click "Recharge" again to confirm.
Choose CashU Recharge Method; confirm that account logged in was right, also select which Server you want to Recharge to; select the amount you want to Recharge and click Recharge.
Enter your CashU account and click "Pay".
There will be a confirmation saying that your Recharge has been completed.