Effective 7/4/2019, Spectrum Software is closed. Micro-Cap is now free.
Technical support will be available for at least 90 days via email at Support.
You can download the latest versions of Micro-Cap here: Download
You can choose either the executable program or the entire installation CD
I have used a much earlier version in the days of DOS and found it very good (designing power supplies and op amp filters in those days) but I could never justify buying it for personal use.
Not sure how long we have before the website folds.
Apologies to all those who already knew, I have just found out.
May well be worth down loading just to be able to draw nice circuit diagrams, even if you do not simulate them. They look like this