Log in Facebook account that you wish to unsubscribe.
Click account (above on the right) and select account settings.
How Do I Delete Facebook Account Immediately
Click 'Security' in the column on the left. At the bottom of the ideal pane, click on the link "Disables your account"
In the window that opens, examine one of packages to indicate the reason that you desire to deactivate your account. If let untreated the box on the side of not receiving email, will continue to get invites to events by your friends, requests to join groups, and so on. Then click the button to confirm,
In the window that opens, enter your password and click on the "Deactivate Now".
And you prepared you a message telling you that your account has actually been deactivated. If one day want to reactivate it just please, log in using your email address and old password.
Well I hope this Tutorial will assist them to unsubscribe or How Do I Delete Facebook Account Immediately.