A table showing the main choices when using System Migration, and more detail on how the process works.
Migration brings old software which isn’t really incompatible, but can slow your Mac down. This one was caught during startup.
The simplest and best way, when it works. But have you considered migrating from a Time Machine backup instead, and what if it doesn’t work when setting up?
Should you leave the Migration Assistant to set your new Mac up? Will it work if the Mac has a T2? What are your options?
macOS can update files protected by SIP without your knowledge of any update taking place, and without the event being recorded in the Install History. Here’s how it happens.