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update macos

  1. D

    After successful update to Big Sur my version still shows os x 10.9.5

    After unsuccessfully trying to install big sur on a mac Airbook (Early 2014) os x 10.9.5, because of a bad internet connection. I fixed the internet connection did a reinstall of OS X Mavericks, and then successfully installed Big Sur, but when I look at About this Mac under software I still see...
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