You have the option to add a four-digit Account PIN to lock your settings. Once an Account PIN is added, it will be needed to make any changes to the account settings. This feature protects your password, email address, and privacy settings.
Log into the account (If you can’t log in, try these steps for recovering your password)
Go to Account Settings.
Browser – find the gear icon located at the upper-right corner of the site
Mobile Apps – find the three dots icon for More.