They Payment of your order always has to be finished before your order will be shipped.
Inside Europe you can pay either with a bank transfer before delivery or with Paypal
Outside Europe you can only pay through Paypal.
You can choose the way of payment while finishing your order.
As soon the order process is finished you will receive all payment informations for the bank transfer.
For Payment with Paypal you get forwarded to Paypal to process your payment after finishing the order process.
In case your Paypal payment is confirmed directly your order will automatically will be marked as payed and processed further as soon as possible