Clicking the button passes the number 3 to a PowerShell script. Now obviously there are much easier ways to add two to a number using nothing but Excel (no PowerShell). But that isn't the point.

A script is just a collection of commands saved into a text file (using the special .ps1 extension) that PowerShell understands and executes in sequence to perform different actions.

Posey's Tips & Tricks How To Automate PowerShell Script Creation PowerShell scripting doesn't have to haphazard. Here's how to tell PowerShell to build a script from the commands that you have ...