Top 10 Best Free Antivirus Software 2024 Best. Based on our extensive testing, bitdefender total security is our top pick for its overall protection and the useful extras it includes like a secure browser, a password manager. Kaspersky automatically runs a background scan, pausing it when you play games or use fullscreen programs.

Powerful malware protection against viruses, spyware, ransomware, adware, and more. Avast one essential, avg antivirus, and avira free antivirus are popular.