Article in English: Though it's not possible to lawfully crack someone's Facebook password, you can sign into someone's account if you can access their email address or text messages. If the person added Trusted Contacts (and you know who they are/how to contact them), this method will help you use that feature to access the account.  This method can be used if you're the close friend or relative of someone who is missing, in trouble, or who has asked you to use their account for some reason. If you're signed into your own account, sign out now by clicking the down-arrow at the top-right corner of the page and selecting Log Out. It's below the password box at the top-right corner of the sign-in page. Depending on the account's settings, this will either automatically send a 6-digit code to email address or phone number you entered, or bring you to a list of accounts. If you don't have access to the email address or phone number you entered, click Didn't get a code? and move to the next step. This sends a 6-digit code to the selected email address or password. If you are able to access that email address or text mailbox, just enter the code on the next screen to reset the password and sign into the account. If you can't access any of the listed accounts, continue to the next step. It's below the options. If you are able to successfully reset the password, the reset link will be sent to the email address or phone number you enter here. If you don't see the option to reveal Trusted Contacts, skip to the next step. Facebook encourages its users to assign Trusted Contacts to their accounts in case they ever get locked out. If the user has selected Trusted Contacts (and you know at least one of their names), you'll see their Trusted Contacts list and contact those people to generate a recovery code. Here's how:  Click Reveal My Trusted Contacts. Type the name of one of the contacts and click Confirm. A list of the person's Trusted Contacts will appear, along with a URL. Call, text, or message each Trusted Contact and instruct them to...

Summary in Indonesian:
Buka https://www.facebook.com melalui peramban web. Klik Forgot account (“Lupa akun”). Masukkan alamat surel atau nomor telepon pengguna dan klik Search (“Cari”). Pilih akun yang dapat diakses dan klik This Is My Account (“Ini akun saya”). Klik No longer have access to these (“Tidak bisa diakses lagi”). Masukkan alamat surel atau nomor telepon yang bisa diakses dan klik Continue (“Lanjutkan”). Minta bantuan kontak tepercaya. Ikuti petunjuk yang ditampilkan di layar untuk mencoba metode lain.