Every computer needs antivirus protection, and you shouldn’t settle for anything but the best. Bitdefender and Norton top every list—including ours—but which is truly the number one antivirus?

Nov 26, 2025 · Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

We’ve evaluated a range of free antivirus solutions to help you pick the best one.

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