Confirm that you wish to create the email address selected by clicking “Create”.Enter the desired iCloud email address to claim and click on “OK” – this is permanent and you can’t change the address after you have made one, it binds to the Apple ID, so choose wisely.Check the box next to “Mail” so that it’s enabled (this will always be unchecked if you don’t yet have an email address).Select “Apple ID” or “iCloud” (or “Internet Accounts”).Go to the  Apple menu and choose “System Preferences”.How to Create a New Email Address from Mac Once it has been created and attached to the Apple ID, it is easy to enable and use on any other associated device. We’ll show you how to make a new email address from Mac OS X, iPhone, iPad, and iPod touch. This will create a new email address, but not a or email address, which are no longer available. This is exclusively for people who use a separate email address to login with iCloud and Apple ID, maybe a or address, but want to create a new separate email address for whatever reason – maybe for easier logins, for web services, for using as a personal or private email address, for whatever.

Obviously if your Apple ID already is or has an email address associated with it you won’t need to do this.

Setting up an icloud email account