Best Free Antivirus For Windows 10 2025. We've tested more than two dozen utilities to help you choose the best antivirus for your needs. Here's the best free windows antivirus for 2025:

How we test the best windows 10 antivirus programs. If you’re simply looking to protect your pc from viruses, trojans, and worms, then free windows 10 antivirus from any reputable provider will keep you protected.