Playing my first Major tournament at the Rio on Monday any tips
 

I just turned 21 about 2 weeks ago and won a seat in the WSOP circut tournament and was Just wondering if anyone had any tips. I have played about 40 tournaments with smaller buy ins around 60-100 athe Sahara and the Orleans. But this is my first major tournament with a 1,000 Buy in. (won a satalite)

So if anyone can help thanks.