ZoneAlarm Free 9.2.039.000 - ZoneAlarm protects automatically from the moment it's installed - no programming required. ZoneAlarm protect your PC with immediate and complete port blocking.  ZoneAlarm Free 9.2.039.000 also runs in Stealth Mode to make your PC invisible on the Internet.

For basic, "no frills" firewall protection, ZoneAlarm® is the popular first step for many home PC users. And it's still FREE* for individual & non-profit use.