ActiveSync

Install ActiveSync

Microsoft Windows Mobile Device Centre replaces ActiveSync for Microsoft Windows Vista and Windows 7. Windows Mobile Device Centre offers device management and data synchronization between an Windows Mobile based device and a computer.

Please refer to this link for the installer for Windows 7 & Vista:
http://support.microsoft.com/kb/931937

For Windows XP, please refer to this link:
http://www.microsoft.com/en-us/download/details.aspx?id=15