Hello I have MaxOS High Sierra. Version 10.13.6 Early 2014 I would like to upgrade to 10.15.6 version
How to upgrade my MacOS 10.13.6 to 10.15.6
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As has already mentioned and follow the previous posted link.
Notation: There is only One Full Version offered from Apple for Catalina.
That is version 10.15.7 and subsequently, several Security Updates
How do I upgrade my High Sierra 13.1.2 to next higher level?
There is no High Sierra 13.1.2 but there were previous versions ( not longer available ) 10.13. 2, 10.13.3 and so on to eventually the Last FULL Version offered by Apple which is version 10.13.6
Hello I have MaxOS High Sierra. Version 10.13.6 Early 2014 I would like to upgrade to 10.15.6 version