Steam Desktop Authenticator FAQ

Here are some frequently asked questions to help you understand more about SDA for PC, including installation, backup, Steam login issues, and other common queries.

How to install Steam Desktop Authenticator (SDA)?

To install the tool, follow these steps:

  1. Download the SDA for PC setup from our official website.
  2. Open the downloaded file and follow the on-screen installation instructions.
  3. After installation, launch SDA and follow the setup wizard to link your Steam account securely.

Can I use SDA on multiple devices

No, SDA is intended for use on a single device for security reasons. Using it on multiple devices may result in login errors or conflicts with Steam Guard.

How to back up my SDA data?

To create a backup of your authenticator:

  1. Launch SDA.
  2. Click on “Accounts” and select “Export.”
  3. Save the exported files in a secure location.
  4. You can import these files later using the “Import” option in case of device change or reinstall.

What if I lose access to my SDA setup?

If you didn’t back up your SDA files, recovery can be difficult. Steam support may help recover your account, but it can take time. Always keep a backup of your login and authentication files.

Is Steam Desktop Authenticator safe to use?

Yes, SDA for PC is a widely trusted open-source tool used by thousands of Steam users. However, always download it from the official or trusted sources to avoid malware or tampered versions.

Why is SDA not generating codes properly?

Check that your system time is synced with internet time. SDA uses your system clock for code generation. Desynced time may result in invalid codes

How do I fix Steam login failed errors in SDA?

This issue may occur due to invalid credentials, incorrect time settings, or API restrictions:

  • Restart SDA and try logging in again.
  • Make sure your Steam username and password are correct.
  • Sync your PC time with Windows time server.

How can I disable SDA from starting with Windows?

To prevent SDA from launching at startup:

  1. Open SDA.
  2. Go to “Settings.”
  3. Uncheck the box for “Start with Windows.”
  4. Save and exit.

Can I use SDA without mobile authenticator?

Yes, SDA works as a desktop alternative to the mobile Steam Guard Authenticator. Once configured, you won’t need the mobile app for two-factor authentication.

Having trouble? Here’s what you can do:

If SDA is not working correctly, try the following:

  • Restart the app
  • Sync your PC time
  • Reinstall SDA
  • Contact our support for assistance