Check out Newbie Central to get accustomed to the site. Then you can check out the Articles tab for some of the most featured articles on this site.
To begin your journey into magic, start by learning the basics such as meditation, centering, grounding, energy manipulation and visualization. These can be searched for in the forums tab, or by using the search bar in the upper right hand corner.
Don't forget to stop by the public chat if you have any concerns or questions relating to magic.