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I have a 27" iMac, late 2012 and an trying to update to MacOS 10.15.6, but the upgrade keeps failing. It says check the internet connection, but everything appears

How can I upgrade macOS 10.15.6


Posted on Jul 21, 2020 7:34 PM

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Posted on Jul 21, 2020 8:31 PM

Download and Install macOS Catalina 10.15.6 Combo Update is an updater for an earlier version of Catalina. To upgrade from macOS pre-Catalina you need an upgrade installer: How to upgrade to macOS Catalina.

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I have a 27" iMac, late 2012 and an trying to update to MacOS 10.15.6, but the upgrade keeps failing. It says check the internet connection, but everything appears

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