A license file from OpenEye Scientific Software is required to run any OpenEye toolkit. A license file can be requested/obtained by contacting OpenEye at firstname.lastname@example.org.
At startup, the toolkit looks for a valid license in the following default locations:
In a file specified by the environment variable OE_LICENSE.
In a file named oe_license.txt in the directory specified by the environment variable OE_DIR.
In a file named oe_license.txt in the user’s platform-specific local OpenEye application data directory. The location of this directory is detailed below:
Microsoft Windows Vista/7/8.1/10:
In a file named oe_license.txt in the current working directory