Free Firewall + Antivirus By Comodo!

Comodo Firewall and Antivirus is now Comodo Internet Security. The Latest version of our award-winning Firewall.

Download our free Firewall and Antivirus to take the first step in protecting your PC from malware, viruses, worms, and more.

What's new in this version?

Comodo Internet Security 4.1 includes Defense+ File Protection updates.

Release Notes:
Release Date: November 3, 2014
Update: Please see latest release notes.

Installation Options:
During the setup process you will be given the choice to:

Install the Antivirus as a standalone
Install the Firewall as a standalone
Install both Firewall and Antivirus

Explore Our Advanced Security Features

Live Expert Help

Have your own personal computer expert available to you 24/7. Get help with cleaning your computer, setting up an email account, installing and configuring your Comodo software and much more. Learn More

TrustConnect™

Wherever you are located, whatever type of hardware, using a public Wi-Fi connection or not, Comodo TrustConnect™ keeps you securely connected and your identity and information private. Learn More

Comodo Firewall

Your first line of defense in protecting yourself online. A multi-layered security application that will constantly monitor and defend your PC from Internet attacks.
Learn More

Comodo Antivirus

Detect and eliminate viruses, worms and Trojans. Features on-demand and on-access scanning, email scanning, process monitoring, full scheduling capabilities and more. Learn More

Our Award-Winning Firewall

The experts agree—when it comes to threat protection, Comodo's Firewall software is the choice the pro's turn to.