How to call a windows application form (exe file existing in a folder) from menu strip item

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Visual-Studio

C#4.0

.NET4

Hi plz help me
how to call a windows c# executable form
from menustrip item directly , plz suggest the code
the c# exe file is existing in "D:\project" folder.

thanks and regards

GMS

What I have tried:

Already created the menu strip in design time.

Form fr = new Form();
fr.Text = "New";
fr.Show();

i dont have idea about calling existing windows forms of c#