There are articles on this website about magick. Under the tab "Articles". You should do more self reading and learning through books and other websites. Learning is always great and you can never stop learning! Use google as a search engine and start googling topics of interest. Topics like meditiation,altars,witchcraft,ect. Weed out information that is obviously wrong if it starts talking too fantasy like or too good to be true. Just use common sense when reading, or doing magick this should help you in learning the basics.
Many people use meditation and a variation of visualization excersies to help their endeavors for spell casting. There are many of techniques in the forums and outside of this website that help people improve their visualization and meditation.