# Do you still need third-party antivirus in 2026? Windows 11 Defender is usually enough, says Microsoft
Microsoft has weighed in on the question of whether third‑party antivirus is still necessary in 2026, publishing guidance in the Windows Learning Center. The takeaway is straightforward: for most Windows 11 users, the built‑in Defender Antivirus is adequate, with third‑party options mainly coming into play in more specific scenarios or personal preferences.
Defender tends to be enough when Windows 11 is running with default protections, updates are kept current, and software downloads are chosen deliberately. The SmartScreen filter also contributes to protection, and together with Defender, it can cover the typical user—though there are caveats to keep in mind.
You might consider a different security solution if you share devices with family members who aren’t as cautious online, or if you need centralized management across multiple devices from a single dashboard. Additionally, independent antivirus services are necessary if you want features like identity monitoring or parental controls, which Defender does not provide.
From a more analytical perspective, the article argues that Defender is suitable for most individual PC owners. The defense has matured over time; there was a period when Defender’s protection was questioned, but today it’s a reliable baseline. It handles the essentials, but other security tools can offer additional features that may prove valuable depending on your use case.
Defender’s strengths include its seamless integration with Windows 11, background operation, automatic updates, and the fact that no extra installation is required. On the flip side, there are lightweight free antivirus options from major vendors that, in some independent tests, edge Defender slightly in malware protection. Still, Defender has closed the gap significantly, making it a practical default for many users.
In short, for most individual users, Windows 11’s built-in antivirus provides solid protection. If your needs extend beyond the basics—such as parental controls, identity monitoring, or centralized device management—exploring a third‑party security suite may be worth considering.
Author note: TechRadar contributor coverage continues to evaluate how built‑in protections stack up against dedicated security tools in real-world scenarios.