Apple officially released iOS 8 on Wednesday, September 17. Now that it is publicly available, Apple has also released a helpful guide for anyone who is using the new software and wants a guide to some of the new features.

As surfaced by 9to5Mac, the official user guide is a straightforward way for new users to iOS 8 to get a grasp of what’s being added to the software, the new features like iOS 8’s widgets in Notification Center, or even the changes made to Messages:

“Here’s everything you need to know about iPhone, in a handy digital format. Get to know iPhone and discover all the amazing things it can do, and how to do them. It’s the definitive guide for getting the most from your new iPhone, straight from Apple. The iPhone User Guide covers iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5c, iPhone 5, and iPhone 4s. It’s an essential part of any iBooks library.“

If you have an Apple device capable of downloading iBooks, either from an iPhone, iPod touch, iPad, or Mac, then you can find the free user guide within the iBook Store now.