If you already own Blitzkrieg: War in Europe for Palm OS you can receive the unlock code for free. Please send a request to support@playtek.pl quoting your order confirmation message received from a store where the purchase was made or the confirmation message from us. If you don't hear from us within 2 business days, this can be because of anti-spam filters. In such case please check your mailbox. If you don't find a response from Playtek, add support@playtek.pl to the list of your contacts and request the unlock code once again.