iOS 5 has hit the stage, and eager users everywhere are getting ready to upgrade their devices. If you’re concerned about the upgrade process, or simply want to know all your setup options before making the big switch, let the editors at Macworld help you upgrade your iPhone, iPod touch, or iPad to iOS 5 with this step-by-step guide. After you've set up your device, we'll walk you through the mysteries of iCloud, introduce you to each of iOS 5's marquee features, and uncover hidden gems within apps.