You can read all the books you want, and play as much GTA on the Playstation, but until you sit behind the Wheel of a car you will never learn how to Drive! It's the same with Poker the only way to learn is to play!
Freerolls are the perfect way to learn the game without it costing you money, once you become proficient playing freerolls then you can start playing micro stake games and work your way up through the different levels, as each require a better understanding of the game.
Rome wasn't built in a day, and you need to learn how to walk before you can run! So it is in Poker! Patience is the Key!