Quartus ii web edition for stratix

The unlicensed/free web edition did not support the Stratix series. It was a high end part and required the subscription version.

QuartusII 13.0sp1 Subscription edition supports that part, available here:

https://www.intel.com/content/www/us/en/software-kit/711920/intel-quartus-ii-subscription-edition-design-software-version-13-0sp1-for-windows.html

But you will need to get a license to run it.