I'm trying to create a simple new project with Qt Creator (open source) that I just installed (so clean installation) but when I try to create a new project (in particular a Qt Quick Application) I can just build it for Qt version I don't have installed (6.x+), here a screen:
If I choose one of them I had this:
but what I have installed, from Qt Maintence tool is just this and I can't choose my Qt Version (5.12):
How can I solve?
I tried, several times, to unistall and reinstall.
You need to select Qt Quick Application (compat) to be able to use older Qt versions. This screenshot is from Qt Creator 12.0.1, but this was there in older versions as well.