Open the Facebook app or go to https://www.facebook.com
Log in
Tap/click your profile picture (or menu)
Go to Settings and privacy
Tap/click Settings
Select Accounts Center
Select Personal details
Select Account ownership and control
Choose Deactivation or deletion
Select Deactivate account
Choose an option for why you’re deactivating
Review what will happen when your account is deactivated
Enter your password
Tap/click Deactivate
Confirm when prompted