| Spire.PDFViewer | Spire.PDFViewer for WPF | Free Spire.PDFViewer for .NET | Spire.Office for WPF | |
| 7.13 | 1.6.7 | 2.4.35 | 2.4.2 | |
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| Trialware | Shareware | Freeware | Shareware | Licence |
| FREE | $499.00 | FREE | $899.00 | Price |
| 112.00 MB | 0.01 MB | 29.50 MB | 153.00 MB | File size |
| Mar 27, 2025 | Nov 28, 2012 | Feb 3, 2015 | Nov 6, 2012 | Update |
| 11 | 33 | 12 | 21 | Downloads |
| Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit, Windows Vista, Windows XP 32/64 bit | Win2000, Windows XP, Win Vista, Windows 7, etc. | Win2000, Windows XP, Windows 7 x32, Windows 7 x64 | Win2000, Windows XP, Win Vista, Windows 7, etc. | OS |
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