Thx Dennis & Dan - I will re start! Slowly!

Hi Sperman, thx, I have looked at lots & lots of tuts & vids, I understsnd them, BUT, cannot even get beyond making a rectanle. I am missing something alstepong the line, also confused about the "Document" & "Folder". So, real beginner step for step is what I need. TH...

I have registered a free Onshape membership. I have 38 years of AutoCad (2D) experiance. I need some direction how to even start a sketch.
thx, Allen.