1. **On your iPhone, iPad, or iPod touch**:
- Open the Settings app.
- Tap on your name at the top of the screen to access your Apple ID settings.
- Tap on "Name, Phone Numbers, Email."
- Tap "Edit" next to the "Reachable At" section.
- Tap "Add Email or Phone Number" if you want to add a new email address. If you want to change your current email address, tap on your existing email address and enter the new one.
- Tap "Continue" and follow the on-screen instructions to verify the new email address.
2. **On your Mac**:
- Open the Apple menu and select "System Preferences."
- Click on "Apple ID" and then click on "Password & Security" in the sidebar.
- Under the "Account Recovery" section, click "Edit" next to "Email Addresses."
- Click "Add Email Address" if you want to add a new email address. If you want to change your current email address, click on your existing email address and enter the new one.
- Follow the on-screen instructions to verify the new email address.
3. **On the web**:
- Go to the Apple ID account management website (appleid.apple.com) and sign in with your Apple ID and password.
- In the "Account" section, click on "Edit" next to the "Apple ID and primary email address" option.
- Click "Change Email Address" and enter the new email address you want to use.
- Click "Continue" and follow the on-screen instructions to verify the new email address.
Once you've changed your Apple ID email address, be sure to use the new email address to sign in to your Apple ID account and to receive any communications from Apple.