Preparing for an interview is crucial to making a great impression. Start by researching the company and understanding its values and culture. Review the job description and match your skills and experiences to the requirements. Practice common interview questions and prepare thoughtful questions to ask the interviewer. Dress professionally and arrive on time. Bring copies of your resume and be ready to discuss your achievements confidently. Remember to follow up with a thank-you note after the interview. Knowing how to prepare for an interview can significantly increase your chances of success.