Intel or PowerPC G4 or better, Mac OS X 10.3.9 or later
When using the software during the evaluation period, please be aware of the following limitations. These restrictions are removed once you have purchased DEFCON and entered your License Code.
Open the downloaded file, and follow the instructions.
Try before you buy! Evaluate DEFCON in trial mode for 30 days.
Register DEFCON by following the instructions displayed at launch.