You would:
1.Arrive on time! ⌚
2.Dress neatly & smartly!
3. Firm handshake.
4. Maintain some sort of eye contact.
5. Express a general sense of enthusiasm.
6. Research a little bit about the company, to impress your potential employer; since, you've gone out of your way, to learn a bit more about what the company is or stands for.
7. Ask some questions, that you're eager to find out, mainly at the end, but do ask at least 3 questions.❔
8. Prepare some scenarios you think they'll probably ask you, such as: what was the last time you took responsibility for your actions?
9. Talk more about your positive traits, which they're looking for, such as: being hard working, for example. ✍️
10. Don't forget to simile, if necessary or remain neutral.
Hope this helps!