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This could be a problem if there are lots of Mac computers in your home or office. This takes a long time to do and sucks up your internet bandwidth in the process, as each download could take two hours or more. If you want to use the macOS installer multiple times, and you don't save it first, you need to download it again on each Mac you update. That means it can be huge, sometimes as big as 8GB or more. Unlike most minor updates, the macOS installer includes an entire operating system for your Mac. This happens unless you save the installer before running the update. Since most people only need to use it once, the macOS installer automatically deletes itself after you use it. Worry not we'll show you how to make better use of the macOS installer. But Apple doesn't save the macOS installer in an obvious location, so it's difficult to use the same file again. If you have a few Mac computers in your household or office, you probably don't want to spend hours downloading the large macOS installation file multiple times. These updates are totally free and you can even sign up to the public beta to access them early. Every year Apple releases a major update to macOS, introducing new features and improvements for your Mac. Niresh High Sierra with AMD & Intel Support Install macOS High Sierra on PC with this installer which doesn't need access to a mac You can create bootable USB from Windows, Linux or Mac with DMG.
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