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# Installing to desktops LIC

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Note: Documentation for installing license files issued for versions prior to 5.0 can be found here.

This document describes the ways of installing licenses to PC i.e. desktop applications. This way the license is installed for the current user only.

The possible ways of installing licenses to desktops:

Install with GUI (recommended)

ChemAxon License Manager is a central place where you can manage the licenses of all ChemAxon products. Three basic ways of launching:

• The Start menu on Windows: Start->Programs->ChemAxon contains several packages.
You can find the same CLM in any package.
• Launch using the license shell script (Unix) or license.bat batch file (Windows).

The licenses are usually stored in the license.cxl file which you receive from ChemAxon.
You don't need to open or edit the content of this file, just simply save it to an arbitrary location of your file system.

• Click on the Browse... button
• Press the Install button
• Installing licenses is complete, you will see a license overview where you can see the installed licenses.

### Alternative methods for installing the licenses

1. Using system variables:
The location of the license file can be set with:
From version 5.3.2 it is possible to define multiple license files of arbitrary locations. The separator character is ";".
In case license files are set this way, the license files will be read from all locations defined by the environment variable, the Java system property and from the user's home directory.
Example: -Dchemaxon.license.url="C:\ChemAxon\license2009.cxl;C:\ChemAxon\license2010.cxl"

2. Manual install:
The license file must be stored in the .chemaxon (Unix) or chemaxon (Windows) sub-directory of the user's home directory. The following locations are accepted:
• (.)chemaxon/license.cxl (the license file name is fix)
• (.)chemaxon/licenses/*.cxl (from version 5.3.2 only - the license file can have arbitrary name, the extension is fix)

3. Command line install:
Launch the license shell script (Unix) or license.bat batch file (Windows).
Type license -h for the list of available options.

4. Using API:
chemaxon.license.LicenseManager.setLicenseFile(String path)
chemaxon.license.LicenseManager.setLicense(String s)

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