Change your Apple ID email, password or profile picture
You use your Apple ID and password to sign in to iCloud.com. You can change the email address associated with your Apple ID, change or reset your password, or change your Apple ID profile picture.
Change your Apple ID email or password
If you no longer use the email address that’s associated with your Apple ID, you can change it. You can also change or reset your Apple ID password.
Note: In some countries or regions, you can use your mobile phone number as your Apple ID. See the Apple Support article Use your mobile phone number as your Apple ID.
Do any of the following:
Change your Apple ID: You can change the email address that’s associated with your Apple ID on the Apple ID account website. Sign in with your current Apple ID, then click the Edit button in the Accounts section. For detailed instructions, see the Apple Support article Change your Apple ID.
Change your Apple ID password: If you know your current Apple ID password and want to change it, you can do so on the Apple ID account website. See the Apple Support article Change your Apple ID password.
Reset your Apple ID password: If you forget your password and need to reset it, see the Apple Support article If you forgot your Apple ID password.
Change your Apple ID picture
Your picture appears on your iCloud.com homepage.
On iCloud.com, go to Account Settings, then click the picture next to your name.
Do one of the following:
Drag an image file onto the picture.
Click Choose Photo and follow the onscreen instructions.