It's a bit late give any advice regarding preparation.
Just be confident. If you know your shit and you are well spoken, there is no reason for it go wrong. If you don't, then there is not much else you can do anyway.
If a woman is interviewing start loosening your tie and otherwise hook your thumbs in your belt. Slouch back. A sexually aggressive and impudent interviewee wins.
Seriously, just prep questions and answers according to your industry and general common HR questions. Sketch out examples in advance. Time them. Maybe record yourself with your phone to see if you seem okay in giving your answers.
I left their hands slick with moisture, and I told them many times how much I loved niggers, I didn't blink, I picked a fight with the receptionist, I kept telling them to enjoy prison but they didn't seem to get the reference, I wore my lizzo sized sexy sleepwear, and I took a lot of speed.