Installer for MacOS High Sierra.

How can I get the High Sierra Installer. The Apple App store shows nothing.

Posted on Aug 14, 2019 8:08 PM

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13 replies

Aug 16, 2019 8:06 PM in response to BDAqua

I discovered why I could not download any version of macOS, such as macOS High Sierra or macOS Catalina. Starting with systems running High Sierra or Catalina, the attempt to get a macOS installer is treated as an update, hence if one is running Catalina then one cannot get earlier version.. The only way to download previous versions or the current version installer is to use an apple system running Sierra or an earlier version. Fortunately I have an older machine running an ancient MacOS. I will tryout my theory and let you know.

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Installer for MacOS High Sierra.

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