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

Bitdefender Antivirus Free scans and cleans your system using only the resources that you, your software or your operating system are not using, thus achieving near-zero impact on your activities.

Bitdefender Antivirus Free scans and cleans your system using only the resources that you, your software or your operating system are not using, thus achieving near-zero impact on your activities.

Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...

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 ...

Bitdefender is known for strong, lightweight protection. This review examines how its free and paid plans perform in daily use, from Wi-Fi to work files.

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.