This repository serves as an unofficial archive and starter guide for Micro-Cap 12, the powerful SPICE-based circuit simulator.
Micro-Cap was a professional-grade circuit simulator developed by Spectrum Software. In 2019, Spectrum Software closed down, and the developers generously released Micro-Cap 12 as free to download (Freeware) for the engineering community.
Since the original website is no longer active, this repository aims to preserve the software and make it easily accessible for students, hobbyists, and engineers.
You can download the installer using either of the methods below:
Download the zip file directly from this repository. 📥 Download Micro-Cap 12 (ZIP) (Size: ~60 MB | OS: Windows)
If you prefer to download from the archive preservation project directly. 🏛️ View on Internet Archive
- Completely Free: No license required, fully unlocked.
- Visual Interface: Intuitive schematic capture.
- Powerful: Handles analog, digital, and mixed-signal simulations.
- Lightweight: Runs well on older hardware.
- Download the
.zipfile. - Extract the contents to a folder.
- Run
setup.exe(or the equivalent installer file inside). - Follow the on-screen prompts.
Software License: The Micro-Cap software is the intellectual property of Spectrum Software (defunct). It is hosted here strictly for preservation and educational purposes under its status as Freeware/Abandonware. This repository claims no ownership of the executable binaries.
Repository Content: The documentation and example circuits provided in this repository (if any) are open source.
