This video demonstrates how to add OpenRoads Designer as an available program to open a DGN file using the right-click > 'Open With' option
Click the video below to play it. To view in fullscreen mode, first click the YouTube link at the bottom of the video to launch the video on the YouTube site. Then, click the fullscreen button (rightmost button at bottom of video).
Recorded in 1920 X 1080 resolution.