You can buy foundationless frames, or you can use regular frames as Joe describes. One of the tricky parts of foudationless is getting the bees to draw the comb straight and proper. While making sure that your hive is level helps that cause greatly, I think unanimous consent is that the best way is to stagger foundationless frames in between frames of drawn comb...this allows them to use the drawn comb as a guide when drawing the foundationless frame out.
Problem with this approach, as a newbie, you won't have any drawn out comb to use as a guide and using frames with foundation won't work as I understand it.
Again, do what you want, and I've never attempted foundationless, but I do know that as a newbie there is plenty of other stuff to worry about, be overwhelmed with, and learn as a beginner without worrying about trying to correct and straighten wacky comb. Just my 2 cents, but I'd concentrate on getting some experience first.
If you're dead set on doing it....I'd buy some foundation and start them on a box with nothing but foundation. Once frames get completely drawn, start working in your foundationless.