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bootable offline installers

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    Downgrading Catalina to High Sierra

    Has anyone done a downgrade from Catalina to High Sierra on a mac with an internal SATA disk (not SSD)? I would like to know how successful you were and why you chose to downgrade. My disk cannot tolerate Catalina but a few days ago it was fine on High Sierra for basic things. I want to go...
  2. B

    why do people buy Catalina Installers on USB

    Hello forum, I am wondering why people do buy bootable offline Catalina Installers on USB (e.g. from Ebay or Amazon)... Do those USB-stick differ from Apple's recommended building approach (https://support.apple.com/en-au/HT201372)? Thank's a lot for any feedback! Bill
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