These links show you how to install SI 2017.
Installing the SI 2017 Server
Installing Visio Optional. If you will be using any supported third-party software, we recommend installing Visio, AutoCAD, and QuickBooks on the all machines prior to installing the SI 2017 Client.
Installing an SI 2017 Client
Registration
Upgrading to SI 2017
Updating SI 2017
SI 2017 Release Notes