Even if you just backed everything up the night before, make sure your Mac is completely up-to-date. When it comes to securing your data, it is definitely better to be safe than sorry. The download and installation process is fairly easy, but any time you make significant changes to your computer, you risk problems. How to make an archived backup of your Mac with Time Machineīefore you begin, make sure you back up your Mac. How to get started with the macOS Sierra developer beta.

How to install the macOS Sierra developer beta.How to download the macOS Sierra developer beta.How to make an archived backup of your Mac.If you depend on your devices, wait for the final release. That's why we strongly recommend staying away from developer previews unless you need them for software development, and using the public betas with caution.

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. Apple occasionally offers updates to iOS, iPadOS, watchOS, tvOS, and macOS as closed developer previews or public betas (opens in new tab).

Install mac os 10.12