Prepare for an Interview
Research the company.
Before going to an interview, make sure you have done some solid research on the company you are applying to along with the position you are pursuing. Look into what the company does, what their mission statement is, and even look into reviews on the company to see what their customers think of the company. Knowing as much as you can about the company will help you feel more confident and prepared for anything.
Attitude is everything.
Do not go into the interview acting like you are better than the job you are interviewing for, or too good to be there. You aren't too good for the job if you are applying for it. However you should go into the interview acting like you already work there. That's a pretty big help for me because if you convince yourself that you already work there, you'll feel more comfortable. Your interviewer will also take notice, and your confidence will make them feel more confident about hiring you.
Dress code matters.
Please dress appropriately for your interview. You don't have to go out and buy a brand-new outfit to be presentable in an interview. For most interviews, a business casual look will be fine. Usually dark jeans or slacks, and a collared shirt or blouse are fine. Just be sure your outfit shows that you respect your interviewer, and that you also care about how you're are perceived.
These tips will not make interviews suddenly more pleasant, but it will help you with things that add to your stress. Always remember to take a deep breath if you are nervous, and remember that you are usually more nervous than you really need to be. Now go out there and crush some interviews!