1.- Download and save ArboDrawSetup.msi from http://dunbrack.fccc.edu/ArboDraw
2.- Launch the installer by double-clicking on ArboDrawSetup.msi and follow the on-screen instructions.
3.- If you don't have .Net 2.0 already installed, please download it from here.
If you want to uninstall ArboDraw, go to Start->Control Panel ->Add or Remove Programs. Select ArboDraw and then click on Remove button.