Announcing Windows Server Insider Preview Build 16237 - Also allow Windows Insider to download

Login your Windows Insider account and go to https://www.microsoft.com/en-us/software-download/windowsinsiderpreviewserver

You will able to download the Windows Server Inside Preview Build 16237.

(It is not mandatory to be Windows Insider for business)

Announcing Windows Server Insider Preview Build 16237 - Also allow Windows Insider to download