A window will open asking what you want to do with the file, Click 'Run'. You might see a confirmation message, asking if you're sure you want to run this software. Click 'Run' again.
When the download has finished, the ClaroLITE Setup Wizard will appear and guide you through the rest of the installation..
After the installation has finished, you can open ClaroLITE at any time by clicking the icon on your desktop or in your system tray.