Teach your students the basics of what these 3 icons mean that are on every computer (PC - not Mac). Show them how to Minimize a window, how to Maximize a window, and what clicking the "X" means.
This prints as a big poster - on 9 sheets of paper. No special software is needed. You just cut and tape together. Print it on ANY printer - each page is a regular 8 1/2 x 11.
The image above is how each printed page will look.
Educator (and MAJOR Techie!) For 28 Years!