Understand Your Apple ID
Your Apple ID acts as a sort of informational and financial clearinghouse for all the ways in which you interact with Apple’s hardware, apps, and services. As a result, it sometimes feels like 20 pounds of flour crammed into a 5-pound sack.
Fundamentally, Apple IDs are usernames with passwords attached, but because they’re used in so many different ways, they’ve accrued a lot of disparate data and responsibilities. You see this as a user in the Apple ecosystem. You have to enter your Apple ID and password over and over (and over) again, because Apple oddly doesn’t let you establish and manage your Apple ID identity in one place and then apply it across all its services and apps, especially in macOS. Every service seems ...
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