If you want to be completely accurate, we’d say that Windows Defender is an obsolete term. However, there is more to Windows Defender than antimalware protection.
It is so much so that most Windows 10 users can stay safe from viruses, ransomware, trojan horses, and other types of malware when exploring the web or otherwise. In the past couple of years, Microsoft did not just rename Windows Defender to Microsoft Defender but also started offering some of the premium security features in the package.