Open Facebook and log in
Go to your profile
Tap the three dots next to Edit Profile
Select Profile and Tagging Settings or Privacy Settings
Set Who can see your future posts to Friends or Only me
Set Who can see your friends list to Only me
Set Who can look you up using your email address to Friends or Only me
Set Who can look you up using your phone number to Friends or Only me
Turn off search engine linking to your profile
Review and limit past posts
Change profile photo and cover photo audience to Only me if available
Remove or hide profile details you do not want public
Use the Profile Lock option if it is available in your country
Save your changes