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> Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. Why does it have to be c
by Lammy 6y ago
> Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
Why does it have to be connected to the Internet? The point of using a USB installer is for it to work offline.
- RandallBrown 6y ago> A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.