If Windows is your primary target, you probably want something sourced by Microsoft. I would, however, suggest either Java Swing or Java FX (depending on how f

If Windows is your primary target, you probably want something sourced by Microsoft. I would, however, suggest either Java Swing or Java FX (depending on how fancy your application is going to be and/or whether it will have modern multimedia. In my experience, one can develop and ship high quality enterprise grade desktop applications - not only ship, but also maintain them for a period of over two decades.