The way you dress is the most immediate visual signal of your professionalism and respect for the opportunity. While you don't need an expensive suit, dressing appropriately (often called "business casual" or "business professional") shows that you take the event seriously and understand the expectations of a professional environment. It helps employers visualize you as a capable and mature future employee.
A good rule is to dress one level nicer than the company's everyday dress code. When in doubt, "business casual" is a safe bet (slacks or a skirt, a collared shirt or blouse).
Ensure your clothes are clean, fit well, and are free of wrinkles, stains, or tears. This shows attention to detail.
Pay attention to personal hygiene. Ensure your hair is neat, and nails are clean. If you use cologne or perfume, apply it very lightly or not at all.
Always opt for clean, polished, closed-toe shoes. Avoid sneakers, sandals, or high-platform heels.
Keep accessories and jewelry minimal and professional. Avoid clothing that is too revealing, tight, or casual, like graphic t-shirts, hoodies, or ripped jeans.