Apple Accountは復旧キーを控えよう。その使い方。

Sign in to your Apple Account on the web or in your device settings - Apple Support

Did you hear? #AppleID changed its name to AppleAccount# [#AppleID changed its name in iOS18 #] On June 11th, in the first developer preview of iOS/iPadOS 18, The Apple ID has been replaced by the new name Apple Account/Apple Account. Apple also updated the developer software license agreement to update some of the "Apple ID" terms to the "#AppleAccount." | Sparkling Wenling

How to create a new Apple Account - Apple Support

How to create a new Apple Account – Apple Support (MY)