In the vast majority of cases you will not have to update your license however when you have purchased HIARCS Chess Explorer and wish to upgrade to the Deep HIARCS Chess Explorer version you will be sent a new license key and you can update the product to the Deep functionality by entering the license as follows:


  1. Open the About HIARCS Chess Explorer dialog by choosing the Help->About HIARCS Chess Explorer menu item. On Mac this menu item is on the Application menu.

In later version you will also see extra information:

  • The version of the Qt toolkit used
  • The current language translators name
  • For non Deep users the opportunity to upgrade to the Deep HIARCS Chess Explorer version
  • The status of the connection to the HIARCS chess server



  1. Click on the Update license button to update your license.

  1. You will then be able to enter your new license details to complete the update.