The user interface inconsistencies between Apple's mobile and desktop operating systems are notable, and compared to iOS, macOS looks a little dated. What are the new features? Refined user interface What Macs are compatible with macOS Big Sur? Alternatively, you can also open System Preferences and click on Software Update.

The installation will take several minutes and requires your Mac to restart. Your Mac will check for the update, and once it is found, you can proceed. In the Overview section of the window that appears, click on the Software Update button. Click on the Apple menu on the left edge of the menu bar and select About This Mac. The download will be several gigabytes in size, and the installation can take quite a while (an hour or more in some cases), so use a reliable internet connection and know that you'll not be able to use your Mac for anything else other than the installation.įuture point-release updates are delivered through the macOS software update mechanism. This could come in handy in case you find that the update gives your Macs problems and you need to restore your data.Īpple makes macOS Big Sur available through the Mac App Store. The installation takes several minutes, depending on the speed of the internet connection.īefore you install the update, you should back up you Mac. 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. Editor's note: Updated 9/13/21 with information about the 11.6 update.

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