Account | DSM - Synology Knowledge Center
kb.synology.com › en-global › DSMDownload and install an authenticator app, such as Google Authenticator (Android/iPhone/BlackBerry) or Authenticator (Windows Phone). On the following screen, open your authenticator app and scan the QR code. Alternatively, you can click the link to manually enter a secret key. Next, your authenticator app generates a 6-digit verification code.