This step is displayed only if you are using a 64-bit operating system. Otherwise, this step is not displayed, because Kaspersky Security Center 13.1 Web Console does not work with 32-bit operating systems.
By default, both Kaspersky Security Center 13.1 Web Console and MMC-based Administration Console will be installed.
If you want to install only Kaspersky Security Center 13.1 Web Console:
Installation of Kaspersky Security Center 13.1 Web Console starts automatically after completion of Administration Server installation.
If you want to install only the MMC-based console: