>1- i create windows application with vb.net (windows component+data component)
>2- how can i execute this application on (other system without .net) ???

As I mentioned in my other reply to you, it sounds like what you were originally asking is how to use your .NET component as a COM object to be called from another application. So, since no one has replied to that post with suggestions about what you need to do, I went and dug up an article on Rick Strahl's website that is probably just what you're looking for. Check out this:

http://www.west-wind.com/presentations/vfpdotnetinterop/dotnetfromvfp.asp

~~Bonnie