Best Antivirus 2025 Free. Choose the best antivirus software for you from our top picks. Here are our picks for the best free antivirus software to protect and clear up malware on your computer without requiring a subscription.

Top 5 best free antivirus in 2025. Currently, cnet’s top pick for the best antivirus software is microsoft defender, the tech giant’s free antivirus solution built into windows 10 and windows 11 machines.