Looking for steam desktop authenticator? Authenticatorsteamdesktop.com is a free third-party app for generating Steam two-factor authentication (2FA) codes directly on your computer. It increases account security, quickly confirms transactions and logins without the need to use a mobile device, and provides protection, as well as convenience. You can download the desktop emulator of the Steam authentication mobile application on the website, as well as see installation instructions and information on how to fully use Steam Desktop Authenticator.