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Security Update 2021-004 (Catalina) macOS Catalina Security Update 2021-004 (19H1323) is recommended for all users and improves the security of macOS. Aug 5, 2021. Download.
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Type Apple Software Update in the search field. Click on Apple Software Update when it appears in the search results dialog. Apple Software Update checks to see if any updates are available. Select the checkbox next to the updates that you want to install, click on the Install button, and then follow the onscreen instructions.
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Plug your device into power and connect to the internet with Wi-Fi. Go to Settings > General, then tap Software Update. If you see two software update options available, choose the one that you want to install. Tap Install Now. If you see Download and Install instead, tap it to download the update, enter your passcode, then tap Install Now.
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Apple released iOS 15.2 in December, bringing with it a hefty crop of updates and new features. This is the first major update to Apple's iPhone software since iOS 15.1 in October, which brought ...
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Apple Software Update
Software Update is a software tool by Apple Inc. that installs the latest version of Apple software on computers running OS X. It was originally introduced to Mac users in Mac OS 9. A Windows version has been available since the introduction of iTunes 7, under the name Apple Software Update. Software Update automatically informs users of new updates.... Read more