According to the coupons you will receive a ship Black Hort + 3 days of premium. The promotion is valid only for new accounts. The coupon looks like a link.
1. You will receive a coupons in the form of a link in which it is embedded; 2. Register; 3. To get a ship and 3 days of premium license, you need to go to the Ships tab (top left) and find a gift ship.