How to Upgrade to macOS Big Sur
Last updated on May 6th, 2025 at 5:05 pm
Learn how to download and install the latest version of the Mac operating system macOS 11 Big Sur on your system.
A lot has been discussed over the Internet about the latest macOS Big Sur update. Why is it named macOS Big Sur? Well, the latest OS version is named after the coastal region of Big Sur in the Central Coast of California. It is promised with a better performance and more power. It is more beautiful too!
With this update, you will find the biggest Safari update ever, new features for Messages and Maps, improved privacy features, and more. If that was not enough, added features to design, control, central notification center, and Safari make it one of the best macOS updates till date.
How to Upgrade to macOS Big Sur?
1. Check Compatibility
The first step you should follow before you download macOS latest update is to check the compatibility. You can download macOS Big Sur if you own any of these Mac models. macOS Big Sur has greater compatibility with these computers:
- MacBook introduced in 2015 or later
- Mac Mini introduced in 2014 or later
- iMac introduced in 2014 or later
- iMac Pro
- MacBook Pro introduced in late 2013 or later
- MacBook Air introduced in 2013 or later
- Mac Pro introduced in 2013 or later
macOS Big Sur update would require 35.5GB of available storage if you are upgrading from macOS Sierra or later. macOS Big Sur requires up to 44.5GB of available storage if you are upgrading from an earlier release. If you are upgrading from OS X Mountain Lion, then you need to upgrade to OS X El Capitan first, then upgrade to macOS Big Sur.
Now that you would require a significant amount of available storage, it is better to free up storage space in advance using best Mac cleaner software like CleanMyMac X. This smart Mac cleaning solution helps you deep scan your system storage to find & clean all junk effectively and free up valuable disk space required for the latest upgrade.
2. Create a Backup
If you are upgrading your device, it is always advised to create a backup of existing software, files, and settings. To backup your data using Time Machine, follow these steps. Once you have created the backup, you can easily restore your Mac from Time Machine backup following these steps. Alternatively, you can copy your disk or take back up on an external drive before you upgrade to the latest macOS version.
3. Ensure Reliable Internet Connection
Now that you are ready to download & install the latest macOS update, you need to ensure a reliable Internet connection. As downloading and installing takes time, a stable network will help you get things done fast without error. You should plug into AC power if you are using a Mac notebook computer.
4. Download macOS Big Sur
If you have Mojave or Catalina installed on your Mac, then the update will come via Software Update. You may even see a notification that an update is available for your Mac. To upgrade to macOS Big Sur from Mojave or Catalina, follow these steps. Select Apple menu > System Preferences > Software Update. Alternatively, you can click on this App Store link to download macOS Big Sur.
Update from High Sierra or older
Follow these steps to update from High Sierra or an older version of Mac:
- Launch the App Store on your Mac and search for macOS.
- Click on the Get or Download button.
- When prompted fill out your Apple ID.
- The installer will start to download.
5. Begin Installation
After downloading, the installer opens automatically. To begin installation, simply click Continue and follow the onscreen instructions. As upgrade takes several hours, it is recommended to install the update in the evening hours so that it completes overnight. Close all tasks before you Continue with the installation process as you will not be able to use your system during upgrade.
Note: You may need to enter the administrator name and password if the installer asks for permission to install a helper tool. Click Add Helper.
6. Allow Installation to Complete
Don’t put your Mac to sleep or close its lid to allow installation to complete. During the upgrade process, it might restart, show a blank screen multiple times, or show a progress bar as it installs both macOS and related updates. Keep your system connected to charging.
7. Stay up to date
After upgrading to macOS Big Sur, you will get a notification when updates to macOS Big Sur are available to install. Head to Apple menu > System Preferences > Software Update to install these updates.
Conclusion
Upgrading to macOS Big Sur is more convenient in comparison to previous version updates. Follow the steps mentioned above to upgrade to the latest macOS Big Sur and share your experience in the comments below.
Author Bio:
Dinesh Lakhwani 
Dinesh Lakhwani, the entrepreneurial brain behind “TechCommuters,” achieved big things in the tech world. He started the company to make smart and user-friendly tech solutions. Thanks to his sharp thinking, focus on quality and the motto of never giving up, TechCommuters became a top player in the industry. His commitment to excellence has propelled the company to a leading position in the industry.
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