Which Windows Client and Server are currently supported by Endpoint Policy Manager?

Netwrix Endpoint Policy Manager (formerly PolicyPak) supports all current versions of Windows clients and Servers as listed on the Microsoft chart below that have not reached end of service with Microsoft:

Clients: https://learn.microsoft.com/en-us/windows/release-health/supported-versions-windows-client

Servers: https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info

Any exceptions, if any, to the above will be noted in the RELEASE-NOTES in the Endpoint Policy Manager Portal.

NOTE:   For complete clarity, Endpoint Policy Manager is not supported on Server 2012 R2, Windows 7, and so on. The final build with best effort support is 23.8, and no more builds will be produced after that.