Download dmg from app store

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After that, copy your custom OC EFI folder to the USB's EFI partition. Find your Sierra installer in Applications. Click through all the prompts that come up.ģ. MacOS Sierra - Direct download of a Sierra InstallOS.dmg from Apple.ġ.

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If you have an AMD CPU and motherboard you'll need to use createinstallmedia method and the OpenCore pkg. Building a CustoMac Hackintosh: Buyer's Guide