Cadence Demo (OrCAD)
From CVL Wiki
Cadence OrCAD Demo package.
The OrCAD Demo package is a SPICE tool for circuit simulation used in a number of classes. This package has a component limit (20) and a node limit (64). If you need to design a circuit with more components in it, you will need the licensed version of OrCAD.
Installing OrCAD Demo
Click here. Login with your Virginia Tech PID/password. Save the file to your desktop.
Right click the ZIP file, select "Extract All". Extract to your DeskTop.