Changing your Facebook password only takes a few seconds, so it's a smart idea to change it whenever you believe someone may have accessed your computer system, or regularly every few months.
If you find viruses or malware on your computer system, change your Facebook password. If others have administrative access to your organisation page, advise them to keep their passwords protect also.
Facebook Password Change
Sign in to your Facebook account. Go to Settings > General > Edit, situated next to Password.
Enter your existing password followed by the one you want to be your brand-new one. Click Save Changes to use your edits:
Tips
Utilize a strong password for your Facebook account. Facebook advises a mix of at least six characters including numbers, letters and punctuation marks.
If you can't 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.
Caution
Your Facebook password is not the only point of entry for possible hackers. Anyone with access to the email address you use to log in to Facebook can reset your password and take over your Facebook account. Facebook advises altering your e-mail account password and utilizing various passwords for various accounts.
And one more thing please don’t forget to share this awesome trick to use the Facebook Password Change with your friends.