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Please, read the license agreement first.
For .Net 2 to 4, the trial is available on nuget.org. The package ID is VisualHint.SmartPropertyGrid.Trial.
For .Net 6, the trial is available on nuget.org. The package ID is VisualHint.SmartPropertyGrid-net6.Trial.
For .Net 6 only, the documentation is available online. For the .Net Framework, it is included in the installation package.
Your evaluation comes with 30 days full support.