How to install the macOS 10.15.1 Catalina update

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Upgrade to macOS Catalina.

Mac OS X If you have Java 7 or later versions, you will see a Java icon under System Preferences. Java versions 6 and below are listed in the Java Preferences.

If you do not see a Java icon under System Preferences, Java 7 or later versions is not installed. If you are running a Java application in the browser, you will need to also check that Java is enabled in your browser. For earlier versions of Java, check the Apple Support site. Use the Software Update feature available on the Apple menu to check that you have the most up-to-date version of Apple's Java for your Mac.

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Oracle highly discourages users from using older versions of Java. Installing old and supported versions of Java on your system presents a serious security risk. Upgrading to the latest version of Java ensures that Java applications will run with the most up-to-date security and performance improvements on your system.


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You can confirm that you have the latest version on the verification page. If installing an older version of Java is absolutely required, you must first uninstall the current version. Apple disables the Java plug-in and Webstart applications when the Java update is done using Software Update. Also, if the Java plug-in detects that no applets have been run for an extended period of time it will again disable the Java plug-in.

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Click "System Preferences" and then click "Software Update. Click "Update Now" to update, and check the box pictured to enable automatic updates.


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  5. Apple; Business Insider. You can also choose to enable automatic updates from this screen by checking the box "Automatically keep my Mac up to date," if for some reason you had previously disabled the feature.

    Open the App Store. Navigate to the Updates page.

    Macs that will support macOS Catalina

    From the above screen, you'll be given the option to update your Mac. Any Mac computer released in or later can host and should feature an update to macOS Catalina. Search icon A magnifying glass. It indicates, "Click to perform a search". Close icon Two crossed lines that form an 'X'. It indicates a way to close an interaction, or dismiss a notification.