See: How Do I Change My Login Password for Facebook | Change FB account Sign in Password
Each will provide alternative access to your account.
See: How to Change Your Facebook Password | Edit or Change Facebook Password
The following page shows your account setups: make certain that the “General” options are picked in the left pane.
Once more, before we most likely too much: if you wish to alter password without understanding the old one (current password), you’ll go with the password-reset process and examine the available recovery options and inquiries!
Facebook will show you when your password was last updated (it counts your sign-up date as the initial time).
To alter your account password, click on the Edit link on the right of Password: It is important you make your new Facebook password highly ‘uncrack-able’ to others.
Facebook is always targeted by cyberscammer and fraudsters.