Log in Facebook account that you desire to unsubscribe.
Click account (above on the right) and select account settings.
How To Delete The Facebook Account Immediately
Click on 'Security' in the column on the left. At the bottom of the right pane, click on the link "Disables your account"
In the window that opens, examine among the boxes to indicate the reason you wish to deactivate your account. If let unchecked the box on the side of not getting e-mail, will continue to get invitations to events by your buddies, requests to sign up with groups, and so on. Then click the button to verify,
In the window that opens, enter your password and click on the "Deactivate Now".
And you prepared you a message informing you that your account has been shut off. If someday wish to reactivate it just please, log in utilizing your email address and old password.
Well I hope this Tutorial will assist them to unsubscribe or How To Delete The Facebook Account Immediately.