Therefore, if I wanted to launch my Hello.ps1 script from the Run prompt, then I could do so by using this command: PowerShell –File "C:\Scripts\Hello.ps1" ...

We show you how to create and run PowerShell script file in Windows. You can create it using virtually any text editor or the ISE console.

1] Configure Execution Policy in PowerShell to allow scripts to run By default, Windows restricts the user from running a script in PowerShell with the help of an Execution Policy.

The PowerShell script Execution Policy is a system-wide configuration setting that controls whether PowerShell scripts can be executed based on their source and digital signature.