Sorry, I saw all these replies in my junk email today....apologize for late reply.
I did try above given link, but it took to the following note when I selected flex 6000 devices.
Product Discontinuance Notification
Please read Product Advisory Notices for details about the software versions that have been discontinued.
ADV 2011 - Discontinuance of Selected Intel® Quartus® II Software Subscription & Web Editions ›
ADV 2030 - Discontinuance of MAX+PLUS® II Software ›
Users should upgrade to the latest available software version for their device and follow the technical recommendations to help improve security.
Contact your Intel sales representative for more Information.