Download Windows 10 Client Connector Update for Windows Server Essentials 2012 R2 as it now available at Microsoft.

Windows Server Essentials Connector is software that helps you connect your PC or Mac client to Windows Server 2012 R2 with the Windows Server Essentials Experience server role enabled. It also enables and manages key client-side functionality of Windows Server Essentials Experience. On a PC, it provides client backup, a tray icon and the Launchpad, the Dashboard for management of remote servers, and a VPN profile with the capability of auto-dialing and monitoring client health from the server side. On a Mac, it provides health monitoring and the Launchpad.
Get it from Microsoft here.