What Is the Latest Windows Defender Update?

How do I know if I have the latest version of Windows Defender?

Open the Microsoft Defender Security Center app, select the Settings icon, and then select About. The version number is listed under Antimalware Client Version. Open the Microsoft Defender app, select Help, and then select About. The version number is listed under Antimalware Client Version.

Does Windows Defender need to be updated?

Microsoft Defender Antivirus requires monthly updates (KB4052623) known as platform updates. You can manage the distribution of updates through one of the following methods: Windows Server Update Service (WSUS)