Think of body language like not playing with a pen, sitting upright, not slouching and speaking clearly.
Be sincere, cheery, confident, forthright and to the point.
Try not to oversell who you are.
Think of meaningful questions to express that you're curious and have thought about the company.
Do not use unprofessional terminology.
Check that latest social media posts are interview safe.
Do not list items on your CV. This interview is an opportunity to submit the positives you have that your CV just can't depict.
Suggestions for those looking for employment:
"Whatever jobhunting plan used, following up and making sure you keep tabs are essential for earning that role. Individuals that don't record such info frequently forget important contacts, besides favour with potential businesses."