It delivers maximum and fast protection against the latest viruses, thanks to cloud-scanning from the Collective Intelligence servers.

ClamWin Free Antivirus is used by more than 600,000 users worldwide on a daily basis. It comes with an easy installer and open source code.

It combines the best, patented protection technologies in one comprehensive package that secures your everyday activities while increasing your productivity.

Our Protection Cloud is our early warning system, which analyzes unknown files in the cloud – anonymously – from millions of users, to protect you from zero-day threats as they emerge in real time.

Be prepared for whatever comes your way with the most trusted security in the world. Available for everyone, for free.

Baidu Antivirus is 100% free, forever. Keep your computer safe with our award-winning security as long as you want, at no cost. Our upgrades, cloud file scanning, and new virus definitions are always free.

Immunet® by Cisco® provides essential antimalware protection for PC users. We leverage the collective intelligence of a growing community.

Combining our legendary anti-spyware with a powerful antivirus, Ad-Aware Free Antivirus+ enhances them with real-time protection, download protection and continuously updated filters against malicious URLs.

360 Total Security offers your PC complete protection from Viruses, Trojans and other emerging threats.

With improved protection and advanced privacy features to help keep your private data private, you can be sure you're making the right choice.