Introduction Gone are the days when Windows Defender was considered a basic, bare-minimum security solution. Microsoft’s built-in antivirus has undergone massive improvements, earning recognition from independent testing labs and cybersecurity experts worldwide. But as cyber threats evolve in 2025, you might be wondering: is Windows Defender truly enough to protect your digital life, or should you invest in a third-party antivirus solution? This comprehensive analysis will examine Windows Defender’s current capabilities, compare it against leading antivirus programs, and help you make an informed decision about your computer’s security. Whether you’re a casual user, business professional, or security-conscious individual, we’ll break…