Updated security patches and more robust user management via SIMATIC Management Console.

The V9.1 update introduces several advancements designed to streamline engineering workflows and improve plant availability:

Visit the Siemens Industry Online Support portal.

Siemens sometimes offers a trial DVD or download for evaluation. Search for "PCS 7 V9.1 Trial" on the SIOS portal to check availability.

Always create a full image backup of your current station before upgrading.