How to make an external bootable drive in macOS Tahoe

AppleInsider
Oct 8, 2025, 1:49 pm265 pts
You can still make an external macOS bootable drive, but Apple's tighter security procedures mean you have to prepare for it before your internal drive fails. Here's how to do it all, and what's been changed from before, in macOS Tahoe. Any of these drives can be made into a macOS bootable drive with macOS…

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