The low-cost Cyclone family of FPGAs is fully supported by this edition, as well as the MAX family of CPLDs, meaning small developers and educational institutions have no overheads from the cost of development software.
License registration is required to use the Web Edition of Quartus II, which is free and can be renewed an unlimited number of times.
Quartus II Subscription Edition is also available for free download, but a license must be paid for to use the full functionality in the software. The free Web Edition license can be used on this software, restricting the devices that can be used.