No installation needed, just extract it to a folder.
To start QRun with Windows, just add a shortcut to your "Autostart" folder.
Settings are stored in the same folder, so it can be used as portable application.
Add a new group and give it a name.
Drag'n'Drop any file item into the new group.
Open/Start an item by double click.
Edit item properties by a right click.
Free for everyone. :-)