Microsoft Defender is a great free option. It comes pre-installed on all Windows PCs and its malware detection has significantly improved over the last few years. The best antivirus software can ...

Bitdefender’s free antivirus software has the same core features as its paid plans. It protects your Windows PC from malware, blocks zero-day attacks, and even includes ransomware protection.

If you hate buried or oversimplified menus, you’ll feel right at home with this software. Windows’ built-in security suite is an excellent free antivirus option—as we discovered in our ...

Antivirus Software Ratings Safeguard your information with antivirus software. With frequent malware scans and a strong firewall, security software can offer 24/7 protection.

Popular antivirus programs are Norton, McAfee, Sophos, Bitdefender, AVG and Kaspersky. Microsoft Defender is Microsoft's own antivirus software that comes with Windows, starting with Windows 8.

One easy way to keep your PC protected is to install all security updates for Windows ... antivirus tools, but it does turn up in some free ones. In the list below, you can see which programs ...

We’ve tested and ranked the best free antivirus apps ... and identity protection, putting antivirus tools, security suites, and all kinds of security software through their paces.

Outside of using strong passwords and multi-factor authentication, keeping your software updated and refraining from clicking on links in emails, the best free antivirus software can help thwart ...

Free vs. paid antivirus software Most free antivirus tools limit the number of devices you can use and/or the features you have access to. If you've got the budget, consider paid antivirus ...

Luckily, there are plenty of antivirus software options available to protect your device, and many of them are free. In this roundup, we’ve done the research to find the best free antivirus ...

We set out to find the best antivirus software overall so you can make an informed decision for you, your family and your business.