Microsoft ActiveSync 4.5

Microsoft ActiveSync 4.5 is the latest ActiveSync software release for Windows Mobile-powered devices. Microsoft ActiveSync works only with Windows XP SP2 or earlier.

Link: Microsoft ActiveSync 4.5 (English)

Microsoft Windows Mobile Device Center 6.1

This new version of the Windows Mobile Device Center contains key improvements and new features to support Windows Mobile 6 devices. The Windows Mobile Device Center 6.1 is only supported on Windows Vista or newer.

Link:  Microsoft Windows Mobile Device Center 6.1 (32-bit, English)

Link:  Microsoft Windows Mobile Device Center 6.1 (64-bit, English)

Troubleshooting

Pick here if you're having trouble getting WMDC to launch when you connect your data collector to the PC.