Open the Facebook app or website
Go to Settings and privacy
Select Settings
Tap Accounts Center
Tap Personal details
Tap Account ownership and control
Tap Deactivation or deletion
Select the Facebook account
Choose Deactivate account
Follow the prompts and confirm
Open the Messenger app
Tap your profile picture
Tap Account settings
Tap Personal details
Tap Account ownership and control
Tap Deactivation or deletion
Select the account
Choose Deactivate account
Follow the prompts and confirm