Try your hardest at skating. Practice and practice until you master a trick. I would start out with a ollie, the basic movement to unlock a whole worl...
First, if your just doing this because you want to be cool, stop right now. If you don't, and you are new to the skateboarding world, read this. Hope this helps!
Step 1: The Clothes
Be yourself. Don't wear skate clothes all the time because you might be called a poser. Just wear a simple shirt with a logo, some jeans, and some skate shoes. You'll need rubber soled shoes. And not DC's.