| PDF No Copy for Desktop | Ace Secret Disk | File Encryption XP | PDF Protection | |
| 1.0 | 8.12 | 1.7.395 | 18.0 | |
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| Freeware | Shareware | Shareware | Shareware | Licence |
| FREE | $29.95 | $29.95 | $29.00 | Price |
| 9.71 MB | 6.65 MB | 1.66 MB | 5.20 MB | File size |
| Oct 17, 2014 | Feb 26, 2024 | Jan 22, 2022 | Jun 14, 2018 | Update |
| 21 | 70 | 67 | 31 | Downloads |
| Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win11, Win10, Windows 7 x32, Windows 7 x64, Windows 8 | Windows XP, Windows Vista, Windows 7 x32, Windows 7 x64, Windows 2000, Win95 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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