For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and network to the core!

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...

Use left and right arrow keys to seek audio. For years, installing a third-party antivirus on a Windows PC felt non-negotiable. Today, however, the landscape has changed. Microsoft has improved its ...

Chances are, if you’re not running a Mac, you’re using Windows 11. According to StatsCounter, Windows 11 PCs make up 36.35% of all Windows machines. While antivirus software has always been ...

A simple antivirus checklist covers real-time protection, malware and ransomware defense, firewall tools and scam detection without technical jargon.

I tested five antivirus programs on one PC in 2026. Norton 360 is the fastest, Bitdefender the lightest, and Avast the best ...

Using a Windows 11 PC is a great experience, but what about protecting it from cybercriminals with bad intentions? Fortunately, your Windows 11 PC comes with Windows Security built in, and it does a ...

Once upon a time, an antivirus program would be the one of the first pieces of software you would install on a new Windows PC. Now, that’s much less common. Many users instead now rely on the Windows ...

Windows 11’s security situation continues to deteriorate. Users and businesses, especially the latter, are facing two risky developments: first, a new AI-powered malware threat, and second, additional ...

I’ve been running Bitdefender and Windows Security on my machines for a while now. Between the two of them, I’ve never had a serious infection or compromised account. They run in the background, I ...