Do you know the basic skills for casting? Those being mainly grounding, centering, and visualization. Maybe look into circle casting, and energy manipulation.
If you know those The lesser banishing ritual of the pentagram is good to learn. Do a little bit of something everyday or at least frequently to kind of get used to magick and adept at it. Decide what path you want to go on. White magick? Black magick? A more specific path like Dragon magick or fairy magick? Maybe you want to focus on a specific area of magick like divination, herbs, or potioncraft. Maybe voodoo?
What exactly are you stuck on?