Microsoft ActiveSync 4.5 is the latest sync software release for Windows Mobile-based devices. Synchronize your Windows Mobile-based device with a Windows powered desktop PC. Microsoft ActiveSync - Free download and software reviews. WMDC in Windows 10 - After installing Microsoft Windows Mobile Device Center (WMDC), formerly ActiveSync, in the Microsoft Windows 10 operating system, you will likely also need to run the following utility to get it to function fully. ActiveSync 4.5 - Descargar para PC GratisĪctiveSync acts as the gateway between your PC and Windows Mobile-based device, enabling the transfer of Outlook information, Office documents, pictures, music, videos and applications from your desktop to your device.