How to run my Qt Application on another pc? Problem with QtCore4.dll

[Mega69]

Hello,
yesterday I've succesfully installed the latest version of qt creator ( on windows xp sp2 ).

After creating a project, I have to select the "green arrow" in order to compile and then launch the program.

But if I want to launch the program from the folder where the .exe file is ( for example, C:\Qt\MyProj ), simply by double-clicking on the .exe file, I have to have installed the .dll "QTCore4.dll" into my "C:\Windows\System32" folder ( otherwise I get this error message: "Can't find the point of entrance for the procedure _z5qFreePv in the dynamic links library QtCore4.dll" ).

So, if I want to execute this program on another pc, in this pc I have also to install the right .dll in its System32 folder.

Is there any way to do this automatically? Like an installer ?
Or I'm just missing something?

Thanks, and sorry for my bad english.


PS:
In system32 I have to put not only QtCore4.dll, but also QtGui4.dll