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.

Discover the best antivirus software in the US for 2026. Compare top solutions like Bitdefender, Norton, and AVG to protect your devices and data.

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

Katherine Haan, MBA, is a Senior Staff Writer for Forbes Advisor and a former financial advisor turned international bestselling author and business coach. For more than a decade, she’s helped small ...

SAVE 50% ON ANTIVIRUS SOFTWARE: Avast Mobile Security is offering half off its annual paid plans for your first year so you can get better security for your Android devices at a lower price. Your ...

Having an antivirus app on Windows is a must. While Windows Defender is certainly an option, Consumer Reports rates these ...

Generally, you don’t need an antivirus app on your Android phone if you play it safe, only download apps from the Play Store, and keep your security settings enabled. However, some like to take a walk ...