Apple's iOS 13 software update comes with plenty of privacy enhancements — but in some cases, only if you take the time to understand how they work.

Among the changes: You'll be able to sign in to third-party services with your Apple ID account rather than Facebook's or Google's. You'll also get more notices and warnings about apps tapping location data.

The free update is available for existing iPhones on Thursday and will come with new iPhone 11 models out Friday.

Here's how to navigate the new privacy features and make the most of them.