If you have a Mac it is super easy. Just beware, when you eject it from you computer make sure to physically remove the device as soon as the icon disappears. Otherwise, your canmore will start storing junk files and you will have to erase all the data on the unit.
More than enough info here:
boardsurfr.blogspot.com/2014/07/getting-started-with-canmore-gp-102-gps.htmlI find it very simple
as long as you eject it properly.