Altering your Facebook password just takes a couple of seconds, so it's an excellent idea to alter it whenever you suspect somebody may have accessed your computer system, or regularly every couple of months.
If you discover infections or malware on your computer system, change your Facebook password. If others have administrative access to your business page, advise them to keep their passwords protect too.
Change My Password On Facebook
Check in to your Facebook account. Go to Settings > General > Edit, located next to Password.
Enter your current password followed by the one you 'd like to be your new one. Click Save Changes to apply your edits:
Tips
Use a strong password for your Facebook account. Facebook advises a combination of a minimum of six characters including numbers, letters and punctuation marks.
If you cannot remember your password, click the "Forgot Your Password" link on the Facebook login screen. Follow the onscreen guidelines to identify your account and reset your password.
Caution
Your Facebook password is not the only point of entry for potential hackers. Anybody with access to the email address you use to log in to Facebook can reset your password and take control of your Facebook account. Facebook suggests changing your e-mail account password and utilizing different passwords for different accounts.
And one more thing please don’t forget to share this awesome trick to use the Change My Password On Facebook with your friends.