Q: I can't sign in to my icloud account to change my password

Why can you not change your password? What error do you get?

You should be able to do so HERE.

1. Log in using your Apple ID.
2. Click Password & Security on the left.
3. Answer your security questions.
4. Click Change Password

If you cannot remember the answers to your security questions, read this.

DDon't know my security question's to login?