If you're a developer or have an Apple development account, here's what you need to know to get access to software betas.
Apple engineers are working around the clock to build new versions of macOS, iOS, tvOS, watchOS, Xcode, and more for users and developers alike. If you're building an app for one of Apple's upcoming operating systems, you're probably going to want to get ahold of the company's beta versions of its software to test your program against and look for bugs.
I'm not a developer, but can I still run the developer beta on my [insert device here]?
Apple's 2016 software updates — iOS 10, watchOS 3, tvOS 10, and macOS Sierra — are currently available only as closed developer previews. While the betas contain new features, they also contain pre-release bugs that can prevent the normal use of your iPhone, iPad, Apple Watch, Apple TV, or Mac, and are not intended for everyday use on a primary device. That's why we strongly recommend you stay away, at least until the public iOS and macOS betas in July, if not the general releases this fall.
How to sign up for a developer account
If you're interested in becoming an Apple developer, you can visit developer.apple.com and read about Apple's Developer program. To get access to app distribution and developer betas, you'll need to enroll in the company's $99/year developer membership.
Designate development devices — and back them up
While you can install beta software and develop on your primary Mac, iPhone, iPad, and Apple TV, you risk rendering your devices inoperative. Before you do anything else, you're going to want to pick what devices you're using and make backups of each one.