To license Windows Forms projects made with the trial version do the following:

1. Ensure that Spread is licensed on the machine by following the installation steps in the Read Me.
2. Open the project in Microsoft Visual Studio.
3. Open the Visual Studio Build menu and select Rebuild Solution.
4. The executable application is now licensed and no nag screens or evaluation banners appear when you run it. You can distribute the application to unlicensed machines and no nag screens or evaluation banners appear.