Microsoft has released a new preview build of Windows Server 2022 to Windows insiders
Windows Server Preview Build 20303
A new build of the Windows Server Long-Term Servicing Channel (LTSC) Preview that contains both the Desktop Experience and Server Core installation options for Datacenter and Standard editions is available.
How to Download
Registered Insiders may navigate directly to the Windows Server Insider Preview download page. If you have not yet registered as an Insider, see GETTING STARTED WITH SERVER on the Windows Insiders for Business portal.Windows Server Insiders - Microsoft Tech Community