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It has always been essential for every version of CrypTool to come with thorough documentation about its features. Whenever the user presses F1 on their keyboard, corresponding information about the feature currently selected appears.

This page is an archive of all current builds of CrypTool 2.
The builds run on 32 and 64 Bit Windows. Please note that you need the Microsoft .NET Framework 4.0 to run CrypTool 2.
No admin rights are needed for the installation.
Each build is available as an .exe installer and as a compressed zip archive. Both have an online update mechanism. The .exe installer supports registration of start menu entry, desktop link and explorer file type, but does not support more than one .exe installation. If in doubt, use the .exe installer.


Stable versions and releases

The most recent release version of CrypTool 2 is CrypTool 2.1 (Beta 1 - Build 7168.1). It and can be downloaded here.

Nightly Builds

Nightly builds are compiled every night based on the most current version of the source code checked into the SVN repository.
Please be aware that these builds are work in progress. They are by no means guaranteed to be stable, and they may contain experimental features that are not yet fully functional.
CrypTool 2.1 (Nightly Build 7183.1) - July-16-2017 01:13:49 - 88.805.798 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7180.1) - July-02-2017 01:15:00 - 88.805.624 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7174.1) - July-01-2017 01:13:24 - 88.805.500 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7171.1) - June-22-2017 01:13:55 - 88.805.582 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7170.1) - May-23-2017 01:14:08 - 88.805.660 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7168.2) - May-17-2017 01:13:24 - 88.806.246 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7165.1) - May-16-2017 01:18:30 - 88.805.078 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7158.1) - May-15-2017 01:13:34 - 88.714.642 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7157.1) - May-14-2017 01:13:29 - 88.714.070 Byte - ZIP file EXE installer
CrypTool 2.1 (Nightly Build 7151.2) - May-12-2017 01:13:21 - 88.712.785 Byte - ZIP file EXE installer

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