Featured app for Windows
Avast Free Antivirus20.1.2397
Professional-grade, lightweight protection
Avast is a free antivirus program that tops its competitors with the level of protection it offers to its users. Besides excellent detection of and protection against malware, it provides a security scanner for networks, browser protection, a password manager, and much more. All in all, it's a fantastic collection of security features in a single - and free - antivirus.