How can I use the K8061.dll on QTCreator

Hello, I’m using QtCreator, and i would like to control my bord with QT.
But i don’t know how to use this dll with QT.

In the .pro I wrote this : LIBS += $$quote(C:/Windows/SysWOW64/K8061.dll.a)
and qt find it but when i want to find the include K8061 in my .h this won’t work.

anyone know what i did wrong ??
thanks