Click on the miniOrange 2-factor plugin visible in the menu to the left.
You can see the list of Methods of Authentication here. Click on the Configure button beneath the miniOrange Soft Token method.
Go to the Google Play Store or theAppstore and install the miniOrange authenticator app, after successful installation of the miniOrange authenticator app click on the Configure your phone button.
Scan the given QR code with the miniOrange Authenticator app.
After this configuration, miniOrange push notification is prompted as a two-factor method. You will receive a request for authorization on the registered mobile app, you have to accept the transaction request to validate identity or you can deny the request if it's not you.
Now your account is secure and only after verification will you be able to login.