1. In the home page of facebook click on the user icon in the right corner of the screen.
2. When the popup menu is showing, click on “Settings & privacy”.
3. Then click “Settings”.
4. In the Settings page , Click on “Accounts Center” in the left side of the screen.
5. In the Accounts Center page , Click on “Personal Details” in the left menu and then click on “Account ownership and control”
5. In the new popup window that showing up, click on “Deactivation or deletion”.
6.Then click on the user
7.Then click “Delete account” and click Continue
8. Facebook asks you a question why you want to delete your account. This is doesn’t matter what is the answer. Choose your answer and click Continue.
9. Before you delete your account. you can backup your data like posts,videos,photos. If you don’t want to backup anything, scroll down and click Continue.
10. You have to enter you account password and click Continue.
11. You get last warning from facebook that you can reactivate your account before 30 days. after 30 days all information from the user will be deleted and you can’t active the user again. finally click “Delete Account”.