Easy to use: simply log in! 1) Install Huygens on any computer Download and install the Huygens Suite (Windows, Linux, and Mac OS) from svi.nl/download. 2) Start Huygens and log in with your svi.nl account Start Essential, Professional or Localizer and login when prompted. The login window can also be found via the icon at the top-right of Huygens main window. If you do not have a SVI account yet, you can register here. Share your SVI username with the license owner (facility manager) for Everywhere activation. 3) Happy image processing! Choose 'remember me', if you prefer to log in automatically next time. Contact us or visit the Webshop to get your own subscription.