Get award-winning antivirus and protect your Windows 11 PC from viruses and other malware — for free, forever. Plus, get extra features like email shields, hack alerts, Wi-Fi security scanner, and more, all included for free. We’re proud to protect millions of Windows PCs.

Jan 22, 2025 · We’ve tested and ranked the best free antivirus apps. Microsoft Defender isn't bad, but it's still not enough to fully protect your PC. You don't have to pay extra, though.

Download free, award-winning antivirus for Windows 11. Install it in seconds to protect your devices in real time against viruses and other malware, and to secure your email accounts against online threats.

Avira Free Security for Windows is a powerful antivirus solution packed with extra features such as a free VPN, password manager, software & driver updater, and more. It has been ranked the best free Windows antivirus software by SafetyDetectives and it has received multiple awards for its protection capabilities, usability, and performance.

With Bitdefender Antivirus Free for Windows you have permanent access to award-winning technologies that keep you safe from viruses and cyber threats. No need to worry about availability, you will be able to use the free antivirus protection without any validity due date.

Avira Free Antivirus for Windows protects your personal data, your software, your browsing, your searches, and even your home network. Protects you in real time against malware and online threats. Keeps your software and drivers up to date. Blocks infected websites, browser trackers, and intrusive ads.

Download Bitdefender Free Antivirus for Windows and benefit from real time protection for your laptop or PC. This free antivirus includes a powerful virus scanner which instantly detects and blocks viruses and e-threats on your Windows devices.