cmd /min /C "set __COMPAT_LAYER=RUNASINVOKER && start "" %1"

runas /user:computerNameUserName /savecred ”C:pathtoprogram.exe”

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT*shellforcerunasinvoker]
@="Run without privilege elevation"

[HKEY_CLASSES_ROOT*shellforcerunasinvokercommand]
@="cmd /min /C "set __COMPAT_LAYER=RUNASINVOKER && start "" "%1"""
//save this file as .reg and try it for yourself. (it appears when you rightclick on exe's)

void RunImportTool()
{
    using (var process = new Process())
    {
         process.StartInfo = new ProcessStartInfo
         {
              FileName = String.IsNullOrEmpty(_path) ? _path : @"C:Program Files (x86)PathToExecutable.exe",
              CreateNoWindow = true,
              WindowStyle = ProcessWindowStyle.Hidden
         };
         process.Start();
         process.WaitForExit();
     }
}