I don't really like an idea of using an Apple ID and want to refrain from it. Is there a way to update macOS without registering into the Mac App Store?

  • The steps to do this vary. What version of macOS do you want to update and be clear that update means security and patches within a major release and upgrade means running a major version installer. – bmike Apr 7 '18 at 14:21

Yes, there are three ways to update macOS without using an Apple ID. Most important thing to remember is that a user only needs the Mac App Store to download the installer, which downloads the update to the machine.

You can also download the installer from the Web by visiting this link on Apple Support website. Then copy the installer to the Applications folder. Double click on the application and you will be able to install the update.

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