What happens next in this paragraph?

How to burn dual layer dvds using nero startsmart 
Insert the dual-layer dvd into your drive. 
In order to burn a dual-layer project, you must be using a dual-layer dvd, and your drive must support burning dual-layers. If you try to burn a dual-layer project to a single-layer disc, you will encounter errors.
Options are:
(1). Before syncing your files, make sure they fit. If your own drive meets standard requirements, there is no need to fire (multi-layer) 2-layer files so long as they are compatible with nero.
(2). The only way to check for errors are if you are working with a prior drive or dvd disc : The optical drive area under the disc is called the optical drive area. The optical drive area is called the optical drive area.
(3). Open nero startsmart/nero express. This program will come installed with certain dvd burners, or can be purchased directly from nero.
(4). This could happen if your drive does not support burning and burning with dual layers cd, and can be modified by navigating to the direction indicated on your welcome screen. Customize the dvd that you want to burn using the link below.
(3).