Windows PowerShell ISE is a GUI-based application. You can use it to wite, run, and edit multiple scripts and commands in different tabs.

This means that when double-clicking a ".ps1" file, the system won't do anything, and if you try to run the script within PowerShell, you will see the "cannot be loaded because running scripts is ...

To execute the script, simply click the green run button or press the F5 key on your keyboard. This will run the script within the integrated PowerShell terminal located at the bottom of the window.

PowerShell is a command-line tool designed by Microsoft to run commands and scripts to change settings and automate tasks. In a way, it’s similar to Command Prompt.