Microsoft is weighing in on whether you should install third-party antivirus software on a PC, telling users the built-in Defender should be enough.
As PCMag reports, Microsoft quietly took an official stand in a Learning Center article published earlier this month, which Windows Latest later spotted. “For many Windows 11 users, Microsoft Defender Antivirus covers everyday risk without requiring additional software,” the company wrote.
This under-the-radar article also addresses whether Windows’ built-in security is enough. The company replies: “Windows antivirus protection is usually sufficient when Windows 11 runs with default protections enabled, updates are installed regularly, and software downloads are deliberate.” In other words, if you use Windows 11 without falling for a scam, phishing email, or pirated download that turns out to be malware, you should be good.
Windows has long had a notorious reputation for poor security, as most malware targets the operating system, given its dominance across the industry. It’s an issue Microsoft has been trying to fix with improvements to Windows Defender, which is active by default on the OS. So it looks like the company is trying to flip the script on the security narrative. Apple’s macOS has enjoyed a perceived reputation for better security, even though it can still face malware threats.
Microsoft doesn’t discount the value of third-party antivirus protection. “The choice to add third‑party antivirus depends on how you use your PC and which features you value,” it says, later adding: “You might consider extra security software if you manage multiple devices, share devices with family members, or want services like identity monitoring or parental controls.”
Still, the article highlights the benefits of Windows’ built-in security, including anti-phishing and ransomware protection, while subtly warning against overreliance on third-party software. “Each added tool increases background activity and complexity, so choose tools that match real needs,” Microsoft writes. The article also urges users to avoid running multiple real-time antivirus programs, warning that doing so could hog resources and cause system conflicts.
The PCMag review found that Windows Defender is decent, but it doesn’t offer the best antivirus when compared with some free and paid third-party products. So there are still merits to using third-party protection, which can flag malware that Defender might miss. It’s also clear that Defender isn’t always enough, given that new Windows malware variants continue to pop up and pose a threat.
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