You can take care of various settings concerning the checkout process of your shop.
In the administration area in the main menu, select Settings and then Checkout.
Here you have the following options:
Under Address fields you can determine which address fields should be visible or required during the order process. Required means that your customers need to fill out these fields to complete the order process.
Under Custom texts you can edit the texts that are displayed to your customers during the checkout.
Under Legal notes you can decide whether the customers have to accept your Terms and Conditions before completing their order and whether they must confirm that they waive their right to cancel before completing their order.