How do I change my password?

Settings, then where it says your name it also says Apple account, iCloud, and more , click on that then got to sign in and security you should see change password click on that you will be asked pass key that’s the password you use to unlock your phone , then change password. If you haven’t set up account and it has account already go to settings, click where your name shows up it’s at top it says Apple account,iCloud, and more click on that, then click on sign in & security then on section email and phone numbers at very top click on email then click on remove from account and set up your email you use