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Apple Computing Products:
macOS - Operating System
After Mojave
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<blockquote data-quote="Lifeisabeach" data-source="post: 1817626" data-attributes="member: 38864"><p>Nah, it has nothing to do with APFS. I can see the old versions on High Sierra and I have APFS in use on this iMac. It appears to have something to do with Apple moving the OS updates to the System Preferences. I found <a href="https://wpguru.co.uk/2018/10/how-to-download-older-macos-versions-after-macos-mojave-was-released/" target="_blank">an article that provides download links</a> to all the old versions of OS X. Those links are culled from Apple's support pages. When you click the link, the App Store will open up and show you the page and download button for that version of OS X. On my iMac running High Sierra, clicking download gets me the usual installer. But on my MacBook Air running Mojave, clicking download for High Sierra launches the System Update module in System Preferences, which in turn gave me a warning asking me if I really want to download that older update. I shrugged my shoulders and clicked on Yes, figuring it wouldn't actually do it. Well it did start downloading it and I wound up cancelling the download. I don't know what would have happened if I followed it all the way through. Maybe it would have initiated a full reinstall of High Sierra over Mojave. Maybe it would have just dropped the installer in my Applications folder like it would have been the old way. Maybe it was trying to just download an update combo and would have completely hosed my system once applied. I have no idea right now. I may give that another whirl and follow it through to see what happens after updating my backup clone of the MBA this weekend.</p></blockquote><p></p>
[QUOTE="Lifeisabeach, post: 1817626, member: 38864"] Nah, it has nothing to do with APFS. I can see the old versions on High Sierra and I have APFS in use on this iMac. It appears to have something to do with Apple moving the OS updates to the System Preferences. I found [URL="https://wpguru.co.uk/2018/10/how-to-download-older-macos-versions-after-macos-mojave-was-released/"]an article that provides download links[/URL] to all the old versions of OS X. Those links are culled from Apple's support pages. When you click the link, the App Store will open up and show you the page and download button for that version of OS X. On my iMac running High Sierra, clicking download gets me the usual installer. But on my MacBook Air running Mojave, clicking download for High Sierra launches the System Update module in System Preferences, which in turn gave me a warning asking me if I really want to download that older update. I shrugged my shoulders and clicked on Yes, figuring it wouldn't actually do it. Well it did start downloading it and I wound up cancelling the download. I don't know what would have happened if I followed it all the way through. Maybe it would have initiated a full reinstall of High Sierra over Mojave. Maybe it would have just dropped the installer in my Applications folder like it would have been the old way. Maybe it was trying to just download an update combo and would have completely hosed my system once applied. I have no idea right now. I may give that another whirl and follow it through to see what happens after updating my backup clone of the MBA this weekend. [/QUOTE]
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Apple Computing Products:
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