Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Bitdefender has long been one of the most popular antivirus tools, protecting more than 500 million users around the globe. In recent years, Bitdefender launched additional security tools to protect ...

Bitdefender antivirus plans and pricing If you only want antivirus software to protect a single Windows computer, you can choose the free version of Bitdefender Antivirus. Bitdefender also offers a ...

Overview Antivirus keeps you safe from ransomware attacks, phishing scams, and identity theft. Modern antivirus solutions help to identify and remove AI-powered ...

I found Bitdefender's safety tools to be comprehensive, intuitive and highly efficient, earning it our 2025 Editors' Choice award for best antivirus. Bitdefender antivirus features Bitdefender’s core ...