Changing your Facebook password only takes a few seconds, so it's a smart idea to change it whenever you believe somebody may have accessed your computer, or regularly every couple of months.
If you discover viruses or malware on your computer, change your Facebook password. If others have administrative access to your service page, advise them to keep their passwords secure also.
How To Change Password For Facebook
Check in to your Facebook account. Go to Settings > General > Edit, located beside Password.
Enter your present password followed by the one you want to be your new one. Click Save Changes to apply your edits:
Tips
Utilize a strong password for your Facebook account. Facebook suggests a mix of a minimum of 6 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 instructions to identify your account and reset your password.
Warning
Your Facebook password is not the only point of entry for potential hackers. Anybody with access to the e-mail address you use to log in to Facebook can reset your password and take control of your Facebook account. Facebook advises altering your email account password and using different passwords for different accounts.
And one more thing please don’t forget to share this awesome trick to use the How To Change Password For Facebook with your friends.