If you're deploying software that uses Surface 2.0 runtime on Windows, you need to install that middleware. https://www.microsoft.com/en-us/download/details.aspx?id=26716
Depending on the multitouch device you're using, you'll need to make changes to your software. For example, if you're using the generic Windows 7 touch drivers, the SurfaceWindow class will not work. You'll need to use the regular Window class.