Please note this will delete any previously downloaded content and custom user kits.
To uninstall ARCADE you'll need to manually delete the ARCADE plugin file in each plugin directory. Here are the 4 folders in which you'll find an ARCADE file:
Next, you'll need to delete the ARCADE content folder located here:
First, please run the uninstaller that comes bundled with the installer here:
Control Panel (win7) or Settings WIN10 -> Programs and Features -> Select Arcade from the list and uninstall
Also please delete the Arcade folder in this hidden* location:
Note* To access hidden folders please check out this guide: Access Hidden Folders
At this point you'll have fully uninstalled the program.