1. Go here: https://courseworks.columbia.edu/portal/site/Mainframe_Migration_Project

2. Click on Files and Resources on the left side of the screen

The above is a publically available courseworks site where the new version of QWS is hosted along with instructions and a utility to backup any custom settings. 

Click on the instructions there to proceed.  But basically you'll  1) run the backup utility, 2) run the qws executable to install the new version.