Disclaimer: Ensure you download software only from reputable sources to avoid malware. Installing PSpice 9.2

For command-line lovers, Ngspice is the open-source evolution of the original Berkeley SPICE. It has no GUI, but paired with KiCad (free PCB software), you get a modern, powerful workflow.

: A free, full-featured version of PSpice provided by Texas Instruments in partnership with Cadence, tailored for simulating TI components.