Open Facebook and log in
Go to Settings and privacy
Select Settings
Open Accounts Center
Tap Personal details
Select Account ownership and control
Tap Deactivation or deletion
Choose the Facebook account you want to delete
Select Delete account
Tap Continue
Follow the prompts to confirm
Enter your password if asked
Confirm deletion
Use this link if needed: https://www.facebook.com/help/delete_account
Keep in mind deletion may take up to 30 days to start and up to 90 days to fully complete
Log out and avoid logging back in if you want the deletion to continue