Quartus 11 sp2 drivers not recognised by Windows 10

A -

I think you have two choices for the long-term:

1. Scrap the old boards and buy new boards with devices supported by Quartus Prime, which now officially supports Windows 10 as of v16.0.

2. Go back to Windows 7 for as long as you want to continue to run old versions of Quartus II.

Or I guess you could try running Linux or Win 7 in a virtual machine. Personally, I would go with# 1. Getting stuck in the past can quickly become more hassle than it's worth. Quartus Prime supports MAX II I believe. And the cost of old Cyclone IV dev kits it pretty darn reasonable.

Good luck.