Once the installation package is downloaded, run the installation under a user with administration rights for the operating system (the installation program requires authentication). The installation package is opened as a disk in the Finder application and an executable installation file is offered.

In the standard installation wizard select the Easy Install option to start complete installation of the product to the /usr/local/kerio/mailserver directory.

When the installation is completed, the configuration wizard is started (see section 2.4  Configuration Wizard).