what things should look like, and they are the ones that know what is going on with every aspect of the design building process. They are also the ones that should know the goals and deadlines of the project and how to meet them. Becoming An Interior Designer If you want to become an interior designer, the first thing you need to do is to get an education at the college level in interior design. The second thing would be to build up some work experience as an interior designer. Then you can attempt to pass the NCIDQ certification exam. Finally you will then be able to become a licensed interior designer.