Released around 2000-2002 by Cadence, PSpice 9.1 was part of the PSpice 9.x series, which ran on Windows 98, 2000, and XP. The "Student Version" was a freely distributed, feature-limited edition designed for educational purposes.
Use LTspice if you are on Windows 10/11. It is faster, has no node limits, and is supported by Analog Devices. However, if your professor requires PSpice syntax (.cir files, specific model libraries), then installing version 9.1 (or using OrCAD Lite) is necessary. pspice 9.1 student version free download
Instead of hunting for an outdated, potentially unsafe 9.1 version, consider these : Released around 2000-2002 by Cadence, PSpice 9
Numerous classic textbooks (e.g., Rashid’s Microelectronic Circuits , or Roberts & Sedra’s SPICE ) provide example files in PSpice 9.1 format. Students want to open these files directly rather than convert them. It is faster, has no node limits, and