Error: The evaluation period has expired; therefore compilation and simulation support are not available until you specify a valid license file

Description

If using the Quartus® II Web Edition software version 8.1 or earlier, you may see this error if you do not have a valid license file.

To obtain a valid license for the Quartus II Web Edition software, click on the following link:

Quartus II Web Edition software and the ModelSim-Altera Web Edition software