First go to Administration, then Users then Add New. Click on label printing and create a username and password.Change the default document settings, label printer to the new user. Click on save.
Click on the green download icon, select MS Windows and wait for it to download. After the download is complete, go into downloads and open the downloaded zip file.
Inside is the ErpagCloudPrint installer. Open the installer and follow the installation instructions.
Click on next and wait for installation to finish. After installation has finished run the app.
Input the username and password of the label printing user you created in the first step.