Do your research
It is best that you know certain things about the company you are applying a job for. Researching about the company can also help you answer possible questions, since it would help you learn more about the nature of their business. Aside from that, if they ask you questions regarding their company and you are able to answer them properly, then it shows them that you are indeed interested in working for them.
If this is not your first time
to get interviewed, review your previous ones Whether you were successful in all your past interviews or not, it is best that you review them for your upcoming one. This is because you can learn valuable lessons from them. Aside from that, if you committed certain mistakes in your past interviews, then you can make sure not to make such mistakes again.