: It runs smoothly on almost any modern Windows machine (often via compatibility mode).
Protel 99 SE is a classic, 32-bit electronic design automation (EDA) suite released in 1999 that remains a staple for engineers maintaining legacy designs or those who prefer a lightweight, straightforward workflow. While it has been officially superseded by Altium Designer , it is still valued for its low hardware requirements and integrated environment.
: Includes schematic capture, PCB layout, and simulation in one package.