iOS 18: How to download, install new Apple software update on your iPhone — step by step guide

Apple took the wraps off iOS 18 at WWDC 2024. It is the next major update to iOS, the software that drives the iPhone. In case you haven’t heard, iOS 18 might just be the biggest—most ambitious—iOS update in Apple history with a whole bunch of features designed to change the way you use your iPhone forever. And it’s available right now ready to be downloaded and installed on supported Apple iPhones.