When you are ready to install, click on the Update Now button.

You can click the More info link if you want to learn more about the update.

This will open the Software Update system preference.

In the window that appears, go to the Overview tab if it's not already open.

Also, your Mac will need to restart in order to finish the installation. To install the update, you need an internet connection. CVE-2021-30858: an anonymous researcher How to update macOS Big Surīefore updating your Mac, it's a good idea to back up your data, just in case the update causes problems. Description: A use after free issue was addressed with improved memory management. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-30860: The Citizen Lab WebKit Available for: macOS Big Sur Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: An integer overflow was addressed with improved input validation. Here are the fixes detailed in the notes: CoreGraphics Available for: macOS Big Sur Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution. According to the release notes, the update contains security fixes. The latest: 11.6 update releasedĪpple has release version 11.6 of macOS Big Sur. After installing, you may find that some mentioned features are not available.Editor's note: Updated 9/13/21 with information about the 11.6 update. It’s a 12.6 GB download, so be prepared to wait for some update time. We find that it’s a big improvement on the Catalina update. This OS update is available for free for your Mac. The search engine also has new website previews that appear when you go over a tab. You can also convert your Chrome extensions to your Mac Safari Browser. Apple has introduced extensions that let it compete more effectively with Google Chrome.

Safari Browser has seen some changes owing to the system update too. Finally, Big Sur boasts a great ‘edit view’ where you can add all sorts of widgets on your screen, and customize them to your liking. Of course, many different useful widgets have been improved as well. There’s also an updated notification center that brings all your widgets and notifications in one area. Sidebars are now full height, the menu bar has been updated to offer wider spacing, the toolbars are remarkably more space-efficient, and they boast a translucent look instead of just a plain white.Īlong with these tweaks, your new Control Center is convenient as it places your controls in one place, making it easy to adjust settings when needed. Along with that, the overall interface has also been refined. Most noticeable are the new system sounds, from a chime when you boot up your computer and file transfer pings to noise alerts for trashing and locking files.

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