Hey khaled, welcome to simply maya! The free tutorials like howard porter said will teach you a lot about maya, and the basics. I have learned everything though through the simplymaya community. So any of my work, you could be doing equal or better if you purchased some tutorials. You learn just SO much stuff in such little time! Some things that are incredibly hard to grasp through text, you can see right through video, and it makes things a lot easier! I rarely follow along the videos, as i only have 1 monitor.. but i love watching them and then i apply the techniques to my own things later . Cya around the board and welcome to SM!