macOS Sierra is by far the most versatile OS designed to run elegantly on Mac. Thanks largely to a great many defining features like iOS-style Siri, Picture-in-Picture, Auto-Unlock and more, it has been able to make a good impression.
Quite pleased with the all new functionalities, I couldn't help installing the newest macOS on my Mac. And let me tell you, it has won me over. If you have a developer account, you can give it a try as well.
Backup Your Mac with Time Machine
Before going ahead with the process, you need to make an archived backup of your Mac with Time Machine.
Step #1. First off, you have to connect an external hard disk or Time Capsule with a USB, Thunderbolt cable or FireWire. Then, you need to click on the Apple icon which is at the upper left corner of the screen.
Step #2. Next up, you have to click on System Preferences in the drop-down menu.
Step #3. Now, choose Time Machine in the System Preferences window.
Step #4. Up next, you will have to turn the Time Machine Slider On.
Step #5. Finally, click on Select Backup Disk and then select the disk you want to use.
That's it! Let the backup be completed successfully.
How to Download and Install the macOS Sierra Beta on Mac
Step #1. Head over to developer.apple.com on your Mac.
Step #2. Next up, you have to click on the Develop.
Step #3. Click on the Downloads tab and then log in with your developer account.
Step #4. Now, you need to scroll down and click on the Download button for macOS 10.12 beta 2. App Store will open. You have to sign in with your developer account username and password.
Step #5. You will have to click on Redeem to download the developer beta.
- You may have to copy and paste the code from the Downloads page next to macOS Sierra if you don't see redeem code in the text field.
- If the message appears “This code has already been redeemed,” you will have to download the macOS Sierra developer preview from the Purchased section of the Mac App Store.
Step #6. Once the beta has been successfully downloaded on your device, you will be asked to install the software. Click on Continue and Agree to Terms and Conditions.
Step #7. Click on Install.
Step #8. Now, go ahead with the instructions to install the beta.
The Mac will reboot. Have a little patience and allow the installation process be completed perfectly.
Step #9. After your Mac reboots, macOS Sierra will be on your device. Click on Continue and sign in with your Apple ID and password.
Step #10. Finally, you have to click on Get Started.