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Install macOS Catalina questions & answers

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Alternative downloads

Create Install Media
Free
rating

Create a bootable USB key from OS X 10.9 to macOS Catalina 10.15.

DiskMaker X 9 for macOS Catalina
Free
rating

Build a bootable drive from OS X/macOS installer program.

macOS Catalina Patcher
Free
rating

Install and run macOS Catalina on your unsupported Mac.

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