Downloading and Installing the TN3270 Emulator for RUtAdmin (Mac OS X).Instructions on installing and setting up these programs can be found at: There is a a free client called Mochasoft TN3270 which is available on the software portal. Note: The QWS3270 emulator is no longer available on. Note: Due to security updates on our mainframe systems the required supported Operating System for connecting using QWS3270 Secure is Microsoft Windows 7 and above. Where do I get the QWS3270 Secure software? Contact information for any further questions.Helpful Tips for Troubleshooting QWS3270 Functionality.Recommended configuration settings for QWS3270 Secure.Where do I go to get the QWS3270 Secure software?.The information in this document will cover the following: