To install Finder Windows 1.1.3, simply drag the Finder Windows 1.1.3 control panel to the Control Panels Folder within your System Folder and restart your computer.
Users of earlier versions of Finder Windows: Before installing Finder Windows 1.1.3, you should remove the Finder Windows 1.0 extension from the Extensions Folder of your System Folder or the Finder Windows 1.1 or 1.1.2 control panel from the Control Panels Folder of your System Folder and drag them to the Trash (or someplace outside of the System Folder). Finder Windows 1.1.3 will not install if earlier versions are still active.