Mac users interested in Digital photo professional v3.9 generally download:
Digital Photo Professional is a software developed for the Digital EOS SLR Cameras to provide high speed RAW image processing and digital workflow solution to support professional users. This update includes several changes like improved image classification functions, and some others.
Additional suggestions for Digital photo professional v3.9 by our robot:
Digital camera tethering and remote capture application specialised for astrophotography.
is digital camera...USB_Focus V3...connected professional camera...remote photo-taking