• Firefox can remember your passwords for the sites you visit. You can enable it on your personal computer, but it's not advisable for public computers.
• Open menu by clicking on Orange button. Go to options : Options : Security tab.
• In passwords section, you can check or uncheck the options for remembering password for sites.
• You can choose to use a master password through which all information will be stored on a single password, which you will have to enter once in a session. You will be asked to enter new password and confirm it. Click on OK button, when done.
• Click on Saved passwords button on main window to check any passwords that have been saved.
• When a password is saved, a key kind of icon will be displayed before address in address bar. Click on the key icon to view options.
• There can be two options for remembering passwords. You can choose Not Now option to skip password saving for the session or Never Remember Password for This Site option for permanently skipping password saving request for a particular website.