1. Uninstall the trial version barcode .NET control if applicable.
2. Complete the installation for the full version barcode .NET control, copy MW6.Barcode.dll in VB.NET or C# demo project sub folder of the destination folder (e.g. "C:\Program Files\MW6 .NET Components\Barcode\2003") to your project folder to replace the trial version Barcode .NET control .dll file.