How Do I... Use Magic Items

From publisher blurb: The Pathfinder Roleplaying Game thrives on its ability to offer rules for any situation. Some of these rules are clear and simple... others aren’t. Magic items, with over a dozen classifications, activation methods and other rules besides fall into the second category. This article collects and explains all the rules for using magic items in the Pathfinder Roleplaying Game, and yes, that's all.