
With your Mac safely backed up, you can now check to see if macOS Sierra is ready to be installed. Launch the App Store on your Mac and in the search box type in macOS Sierra.
When the macOS Sierra update appears, click on 'Download' and if needed, enter in your Apple ID and password. You can see the progress of the download from the 'Purchases' tab.
When the download as finished an installer will appear to take you through the process of installing macOS Sierra.
If macOS Sierra hasn't appeared in the App Store, then you may have to wait until later on today for Apple to make the update available. If you really can't wait, read on to find out how to download the final release candidate.
How to download macOS Sierra final release candidate
You need to sign up for the Apple Beta Software Program. which gives you early access to Apple's software. Go to the Apple Beta Software Program website and follow the instructions to download and install macOS Sierra final release candidate your Mac
At the bottom of the page you'll see a button labelled 'Sign up'. Click it and then sign in with your Apple ID.
You'll see an Apple Beta Software Program Agreement page - here tap on 'Accept'. Once you have signed up you'll get an email inviting you to download the macOS Sierra final release candidate software.





