Microsoft has released the Windows Management Framework 4.0 Preview. This Framework includes the latest version of PowerShell, version 4.0 and also PowerShell ISE 4.0 and other upgrades to the framework.
It is however important to note that PowerShell 4.0 is not compatible with the same range of systems as PowerShell 3.0 was. Here is the list of supported operating systems:
- Windows 7 with Service Pack 1
- Windows Server 2008 R2 with Service Pack 1
- Windows Server 2012
The download, documentation and more information on the Microsoft site: