Best Rated Antivirus Software 2025. We’ve tested and reviewed the best windows 10 antivirus software to see how well these programs can protect your pc but we also measured their impact on system performance to make sure they. 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.

The best antivirus software helps protect. The best free antivirus should offer.