Powershell commands

 1.

 $Env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") 

 $Env:Path = [System.Environment]::GetEnvironmentVariable("Path","User")  

Reload Environment variables 

 2.

 Get-Childitem -Path c:\ -Include jsc.exe -Recurse -ErrorAction SilentlyContinue

Search file