Create a bootable ISO of macOS Catalina 10.15 (Bonus: With bootable USB too!)
How to make a bootable ISO of macOS Catalina NEW INSTRUCTIONS: JUST FOLLOW APPLE!! I’m not kidding, forget about the mess below. Apple has updated and documented this across several macOS versions. Find it at support.apple.com’s article “How to create a bootable installer for macOS“ Ignore everything below!!! I previously wrote up my version of… Read More »