Buka aplikasi Facebook. Ketuk tombol ☰. Gerakkan layar ke bawah dan ketuk opsi Pengaturan (Settings). Ketuk opsi Account Settings. Ketuk opsi Privasi (Privacy). Ketuk opsi Siapa yang bisa melihat orang, Halaman, dan daftar orang atau Halaman yang Anda ikuti? Ketuk opsi Hanya saya (Only me). Ketuk tombol Simpan (Save). Ketuk opsi Siapa yang bisa mengirimkan permintaan pertemanan kepada Anda? Ketuk opsi Teman dari teman (Friends of Friends). Ketuk tombol Simpan. Ketuk opsi "Anda ingin mesin pencari di luar Facebook terhubung dengan profil Anda? Ketuk opsi Izinkan mesin pencari di luar Facebook untuk terhubung ke profil Anda (Allow search engines outside of Facebook to link to your profile). Berikan konfirmasi.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
It's the white "F" on a blue background. If you aren't logged in, enter your email address (or phone number) and password and tap Log In. It's in the bottom right corner of the screen (iPhone) or the top right corner of the screen (Android). It's at the bottom of the page. If you're using an Android, tap Account Settings. You'll see this option at the top of the pop-up menu. If you're on Android, skip this step. It's near the top of the page. This option is under the "Who can see my stuff?" head