More about Windows PowerShell
This is a free tool by Microsoft Corporation and you're welcome to use it. You can find it in the Software Development category, namely IDE & Compilers, it supports .psc1 formats. The most preferred versions of the program are 7.2 and 5.0 and they run on Windows XP/Vista/7/8/8.1. The most popular packages for Windows PowerShell are powershell.exe and powershell_ise.exe.