To install ChemTK 2.2 Evaluation: 1. Download the installation executable ChemTK2_2_eval_setup.exe to a suitable location on your machine (such as the Desktop). 2. Double click on this file to begin the installation. 3. Follow the instructions presented to you by the InstallShield wizard. When installation is complete, a shortcut to ChemTK.exe will be placed on your desktop automatically. 4. Double click on the ChemTK shortcut to run the application. For system requirements, documentation, support and contact information, etc., please visit: http://www.chemtk.com