I have a project and it is working fine with Qt 5.6.2 MSVC 2015 64bit. But now I want to add charts (i.e. PieChart) and I need have Qt 5.7.0 I have installed it on my computer, because in new project I have this option.
So my question is how to change Debugging from Qt 5.6.2. to Qt 5.7.0 in existing project and not to spoil everything?
I presume I have to change something in Tools -> Options -> Build and Run -> Kits and select Qt 5.7.0 as default, but before I will do this (because I don't know if it is ok) I want to ask here.
I use Windows 7 and C++

Now I have this:

And I need this:

and my Kits look like this