NOTICE TO THE LICENSEE ( for use of the Shelx software package) Please read the following Conditions of Use and the appropriate Licence Agreement carefully before completing the installation process and using the software. These Conditions and the Licence Agreement are legal documents, and together contain information on allowed usage of the software suite, warranty information and liability disclaimers. If you do not agree with these Conditions, then do not complete the installation and do not use the software. The Conditions are as follows: By choosing "I agree" button in this page, the licensee confirms that they are either: a. an academic user, who receives SHELX package free of charge and commits to terms and conditions as specified in SHELX web-site. In particular, all academic users must register online at http://shelx.uni-ac.gwdg.de/SHELX/register.php SHELX web-site with the registration section will be displayed in course of installation, please use it for registering straight away. b. For-profit users are expected to register online at: http://shelx.uni-ac.gwdg.de:fp_register.php They will then receive an email permitting them to download and use the programs for a two month free trial, after which they should either have paid the for-profit license fee to the University of Goettingen or delete all copies of the programs in their possession. For further details, invoices etc. please contact dalila[at]shelx.uni-ac.gwdg.de A license for using shelx-97 does not cover the use of the current versions, but for-profit users are allowed to use shelx via CCP4 online without needing to obtain a license.