With Windows 8.1 we will receive a new Powershell. Read all about it.
Windows PowerShell 4.0 includes several significant features that extend its use, improve its usability, and allow you to control and manage Windows-based environments more easily and comprehensively.
Windows PowerShell 4.0 is backward-compatible. Cmdlets, providers, modules, snap-ins, scripts, functions, and profiles that were designed for Windows PowerShell 3.0 and Windows PowerShell 2.0 work in Windows PowerShell 4.0 without changes.
Continue reading : technet.microsoft.com
