How to install and uninstall Sloop To install Sloop, put the Sloop Sail into the Extensions Folder of your System Folder and restart your computer. Place the Sloop Rudder application anywhere you like. You may want to put it in the Control Panels folder for quick access but that's not necessary. To uninstall Sloop, drag the Sloop Sail out of your System Folder. In order to delete the Sloop Sail from your hard disk, you must then either restart your computer or choose the Kill Sloop menu command from within the Sloop Rudder.