Thank you for requesting a trial version of Spire.PDFViewer. The component will work normally except for an evaluation warning message. Once you purchase a license file, the evaluation warning will disappear.

Spire.PDFViewer Pack includes Spire.PDFViewer for .NET, Spire.PDFViewer for WPF and Spire.PDFViewer for ASP.NET. As a powerful PDF Viewer component, it enables developers to load PDF document from file and view the PDF files on Winform, WPF and ASP.NET.
- Microsoft .NET Framework Supported: 2.0, 3.5, 4.0.

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To help you evaluate our product without any watermarks or restrictions, we provide you with a one-month temporary license.

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If there is a building error while using Spire.PDFViewer, please refer to Spire.PDFViewer FAQ.