I created a window style, to create new window I copy the window parameters from previous with alt click and insert the new wall. But here is the thing it changed the color. I move side by side the two window as you can see the original one (upper) i...

I have an Archicad 26 education license and am using that version but I need Archicad 18. Can I use Archicad 18 with my student license? And can I have both versions installed on the same Operating system used: Windows 26