SharePoint Password Change contains two Web Parts: Password Change Web Part and Password Expire Warning Web Part.
You can change your own password from Password Change page or Password Change Web Part. To get into Password Change page, you can click the Change password link on Welcome menu.
Add Password Change Web Part on a page is also an easy way to change password. When you access the page, Password Change Web Part automatically detects your domain and name. After you have set your password, Password Change Web Part will verifie the new password and submit the change. If current password is incorrect or does not meet password policy, you will receive an error message.
SharePoint password change notify
Password Expire Warning Web Part warns users with a message before their password expires, prompting them to change password. When you access the page where Password Expire Warning Web Part is configured, the Web Part automatically detects your domain, user name and account expiration date. Then the web part will show a warning message and a link to change password. You can configure the Change Password URL and how many days before the expiration date the message will show from Page Editor.
