You’ll be prompted to set up Apple Intelligence right after upgrading to iOS 18, but if you need to set it up later, head to Settings in iOS: Tap More for Your iPhone, and then Set Up Apple Intelligence. You’ll get an explanation of some of the AI upgrades you can use, and a short demo of how they work.

Image Wand is a tool in the Markup mode found in Notes, Pages or any app that uses the system's built-in drawing capabilities. It, too, is text based, but you can start with a sketch or photo. Genmoji and Image Wand are currently available on the iPhone and iPad; Mac versions are coming in an upcoming software update.