Custom-installed templates—formerly called URN-based templates—let you create fully trusted InfoPath templates that users install on their Windows 2000 or later workstations, which must have InfoPath 2003 installed to be useful. Custom-installing a template adds a registry entry, which includes the well-formed path to the template. The purpose of custom-installed forms is to create fully trusted forms that don’t require the code to be signed.
Simplifying installation of custom-installed forms for users
If you must distribute production templates for custom-installed forms and you don’t have Visual Studio .NET 2003 installed, purchase a copy of Visual Basic .NET Standard 2003 so that you can create Windows ...