The Order Process Type, or the checkout option, in Prestashop 1.5 can be set to a standard 5-step checkout option, or a one-page checkout.  The following tutorial will walk you through setting up Order Process type in the Prestashop 1.5.

Changing the Order Checkout Option

1. Login to the Administration Panel as an Administrator
2. Hover over the menu bar where it says PREFERENCES, and then click on ORDERS in the drop down menu. Order Process Type will be the first item in the list as per below:
   
   
   
   
3. Click on the drop down menu for Order Process Type in order to choose the type of checkout you wish to use - One Page checkout or 5-step checkout.  The standard option is the 5-step checkout.
4. Click on the large green SAVE button in the top right hand corner in order to save your selection.

There are two checkout options: the standard (5-steps)checkout option, or the one page checkout.   Select the checkout option  that makes it convenient for your customers to pay for their orders in your e-commerce shop.  Selecting one or the other may depend upon your product list or customer requirements.  Make sure to select the one that most appropriately fits your needs.