To download and uncompress all files (Quartus II, MegaCore IP Library, Nios II, and ModelSim) requires 4 Gbytes of free disk space. Installation requires an additional 5 Gbytes of disk space. You can delete the 4 Gbytes of download and uncompressed files from your hard drive after installation is complete.
Beginning with version 5.1, the Quartus II Web Edition software no longer supports Windows NT.
The Quartus II Web Edition software includes support for selected MAX® II, Cyclone® III, Cylcone II, Cyclone, Stratix® II, Stratix, APEX™ II, APEX 20KE, ACEX®, Excalibur™, FLEX® 10KE, FLEX 10K®, FLEX 10KA, FLEX 6000, MAX 7000S, MAX 7000B, MAX 7000AE, and MAX 3000A devices.
If the design includes VHDL or Verilog code, you can use third-party synthesis software from Mentor Graphics, Synopsys, or Synplicity or the integrated VHDL and Verilog synthesis included in the Quartus II Web Edition software.
Support - The Quartus II Software Support page can help with questions or problems that are not answered by the information provided here or in Quartus II Help. If you have a question or problem that is not answered by the information provided here, get help from Intel Premier Support.