Automatic installation or updating of SwyxIt! can be implemented in various ways:

You will find detailed information in the Knowledgebase:

Distribution of SwyxIt! by logon script
https://www.swyx.com/products/support/knowledge-base/article-details/swyxknowledge/kb2196.html

Distribution of SwyxIt! through group guidelines of the Active Directoryhttps://www.swyx.com/products/support/knowledge-base/article-details/swyxknowledgekb2197

Distribution of SwyxIt! via System Management Server
https://www.swyx.com/products/support/knowledge-base/article-details/swyxknowledgekb2198)