You have to become not a novice, and find them like anything else. You get spells from the College of Winterhold (mages guild in the town of Winterhold), the court wizards (in the Jarl's buildings in the cities), and some merchants/local folk (the general merchant in Riverwood I believe, as well as a local wizard in…
Does anyone know arenanets stance on skill macros? Im an elementalist, and if I make a button on my gaming mouse cast a spell, switch to fire, cast a spell there, and then back to water, would that be against the rules?