You can upgrade a previous version of Kaspersky Industrial CyberSecurity for Networks to Kaspersky Industrial CyberSecurity for Networks version 4.0. Any version of the application beginning with version 3.0 can be upgraded to the specified version.
You can upgrade to Kaspersky Industrial CyberSecurity for Networks version 4.0 in the following ways:
This option uses the application components centralized installation script to complete the procedure for centralized re-installation of components (without removing Server and sensor nodes where you want to upgrade the application).
This option uses the application components local installation script.