a bit circumvoluted, but a button that will
- edit the prefrence filelocation in “C:\Users\YOURUSERNAME\AppData\Local\dynamoplayer-4\User data\dynamoplayerinstance 1\Default” somewhere in here you might find a text file to edit the folderpath https://forum.dynamobim.com/t/setting-default-folder-location-dynamo-player/22327/3?u=jean-marc
(might have an instance number and dynamoplayer folder number that is different) - launch dynamo player like so Opening Dynamo Player