[updated]: Orcad 16.6 Lite

OrCAD 16.6 Lite is a powerful, free tool for schematic capture and simulation. While it has some limitations compared to the full OrCAD suite, it remains an excellent choice for students, hobbyists, and professionals looking to design and simulate electronic circuits. By following this guide, you'll be well on your way to getting started with OrCAD 16.6 Lite and unlocking its full potential.

Despite the release of newer software like KiCad 8 (open source) and Altium 25, OrCAD 16.6 Lite holds a unique position. It is the only free tool that offers an exact preview of the professional Cadence flow used by NASA, Tesla, and Apple's hardware teams. orcad 16.6 lite

Because it was the industry standard for so many years, there are thousands of free tutorials, forum threads, and guides available online specifically tailored to version 16.6. OrCAD 16

The OrCAD 16.6 Lite software was an attractive option for their team. It offered a wide range of features, including schematic capture, simulation, and PCB layout design. The "Lite" version was a free, limited version of the full software, but it still provided many of the essential tools that they needed. Despite the release of newer software like KiCad

You added a layer in the stack-up editor, but Lite locks you to TOP and BOTTOM. Fix: Delete internal layers. Use vias to route on the bottom side.