• Daniel Allen

Getting Ready for macOS Big Sur

It is always exciting when a new version of macOS gets announced,but before juming in head first there are a few steps you should take before jumping on board when upgrading to macOS Big Sur. Well you are in luck we put together few tips that you should do before making the leap.

How to get prepared for macOS Big Sur

Verify your computer is supported. macOS Big Sur is supported on the following computers.

  • MacBook (2015 or newer)

  • MacBook Air (2013 or newer)

  • MacBook Pro (Late 2013 or newer)

  • Mac mini (2014 or newer)

  • iMac (2014 or newer)

  • iMac Pro (2017 or newer)

  • Mac Pro (2013 or newer)

  • To identify your computer, click the Apple icon in the menu bar at the top left of your screen and click “About This Mac.”

Free up space on your computer

  • Recommended to have at least 20gb free

  • Space can be freed up by moving data to external storage, to a cloud service such as iCloud, or by deleting unnecessary files (such as zip files or installers the ~/Downloads folder).

  • Check out this article for viewing available space and managing storage:

Verify you have a backup

  • This can be done by having a Time Machine backup, or by using a third party app such as Carbon Copy Cloner.

  • Check out this article for using Time Machine to backup your Mac:

How to get macOS Big Sur

  • Download macOS Big Sur

  • If you are using macOS Mojave or later, get macOS Big Sur via Software Update. Open System Preferences>Software Update.

  • It is recommended to have a high speed internet connection. Make sure your internet connection is reliable.

  • If you are using a portable Mac, make sure it is connected to power.

How to install macOS Big Sur

  • After downloading, the installer starts automatically.

  • Click Continue and follow the on-screen instructions.

  • It might be best to start the installation in the evening so that it has time to complete overnight, if needed.

  • Allow installation to complete without shutting down, restarting, or putting your computer sleep.

  • Your computer may show a progress bar or restart multiple times as it might install related firmware updates.

If you would like help

Rooted Consulting is here to help you get the most out of your Mac. If you would like help along the way with any of these steps, please see the links below.


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