If you do not currently have the Facebook app installed on your mobile device, you can download it for free from the App Store on iPhone and iPad, or the Google Play Store on Android devices. The first time you open the Facebook app, you will need to sign in with your phone number or email address and your account password.

Typically, people you’re friends with will be listed at the top of the page—they’ll have blue “Message” buttons below their names. . People you aren’t friends with have blue buttons that say “Add Friend” below their names. You might have to scroll down to see these people. If you don’t wish to view people you’ve already added as friends, you can set it to view friends of friends instead. To do so, tap the icon that resembles two slider bars in the upper-right corner. Then tap the toggle switch that is labeled “Friends of Friends. " Then tap the blue button that says Show Results.

If you’re not automatically signed into Facebook in your browser, enter your email address or phone number, and your password to log in.

Alternatively, you can click your full name at the top of the navigation menu in the upper-left corner of your News Feed.

Typically, people you have already added as a friend will be listed at the top. Your friends will have buttons that say “Message” next to their names. People you may know will have buttons that say “Add Friend” next to their names. You may need to scroll down to see people who you’re not friends with. If you don’t want to see your current friends, click the toggle switch labeled “Friends of Friends” below the “People” header in the menu to the left. This will display only people you may know. If you want to enter a different city, click City below “People” header in the menu to the left. This will display a search bar. Enter the city you want to search in the search bar and press Enter.