VexCode V5 Text V2 vs V1

I have just moved to Version 2.x. On the left of the window I only see the list of potential commands. Previously I could see the program elements, such as vex.h and other objects I created such as auto.cpp. How to show? Previously a Project was saved as V5Code. Now the samples seem to save as V5cpp. Or am I not really saving a project - I haven’t got beyond the provided samples. Is there a document that discusses all this?

That sounds like you installed the wrong program and were previously using VEXcode Pro.
make sure to install the correct version from here.