Follow these simple steps to save your password using the Facebook application:

• Open your Facebook app and tap the three strips in the upper right corner.
• Select Settings and Privacy, then click Settings.
• Now, find and tap the Security and Login option.
• Hit the Edit button next to Save your login info.
• Insert your credentials and Save.

You may want to change the password to a simple one after forgetting it. In this case, you can change your Facebook password by the following steps:

• Open Facebook and click your profile picture.
• Select Settings and Privacy, then click Settings.
• Navigate the Account Centre option, and tap Password and Security.
• Click the Facebook account whose password you want to change.
• Enter your existing password, then type and retype your new password.
• Click Change password.

If you want to find stored passwords on the Chrome browser, your passwords are saved in your Google Account. To view the list of accounts and passwords, go to: passwords.google.com, then click on Preview. On the other hand, explore Settings and find Password Manager or Password to see stored passwords on your mobile phone.