I just found out that there’s a completely free version of MultiSim!  It’s from Mouser Electronics and can be downloaded from here: http://www.mouser.com/multisimblue/support/downloads/download-multisim

https://youtu.be/4e3JAky4fn0

https://youtu.be/0iTOnZ8yKpY

https://youtu.be/5tYh8G6ZW40