Click on the settings option at the top of the page and navigate to Settings & Privacy then Settings. Here you can see the Security and Login section to Change password
Select privacy on the left-hand menu in settings. Here you can change the privacy settings for each type of post or information. Click on Edit to change the setting.
You can modify the Push, Email and SMS settings for Comments, Tags, Reminders etc. A pushnotification is a way for an app to send you a personalised message or notification without you needing to open the app. These include alerts such as new friend suggestions or requests, event alerts, Birthday reminders etc..